Question 1

Perform the indicated operation. $( + 8 ) - ( - 1 ) - ( + 2 ) + ( - 11 )$

Accepted Answer

The answer of Perform the indicated operation. \(( + 8...

Question 2

Find the absolute value of the number. $+ 4$

Accepted Answer

A)  1 
B)  6 
C)  4 
D)  3 
E)  0 
A)  1 
B)  6 
C)  4 
D)  3 
E)  0

Question 3

Multiply. $( - 4 ) ( 2 ) ( - 3 ) ( - 9 )$

Accepted Answer

A)  219 
B)  -225 
C)  216 
D)  -216 
E)  -219 
A)  219 
B)  -225 
C)  216 
D)  -216 
E)  -219

Question 4

Multiply. $( - 4 ) ( - 9 )$

Accepted Answer

A)  -36 
B)  -32 
C)  36 
D)  39 
E)  32 
A)  -36 
B)  -32 
C)  36 
D)  39 
E)  32

Question 5

Perform the indicated operations and simplify. $\frac { 1 } { 16 } + \left( - \frac { 5 } { 32 } \right)$

Accepted Answer

A)  $- \frac { 3 } { 32 }$ 
B)  $\frac { 7 } { 16 }$ 
C)  $- \frac { 3 } { 16 }$ 
D)  $\frac { 7 } { 32 }$ 
E)  $- \frac { 1 } { 4 }$ 
A)  $- \frac { 3 } { 32 }$ 
B)  $\frac { 7 } { 16 }$ 
C)  $- \frac { 3 } { 16 }$ 
D)  $\frac { 7 } { 32 }$ 
E)  $- \frac { 1 } { 4 }$

Question 6

Write the number in decimal form. $8.8 \times 10 ^ { - 3 }$

Accepted Answer

A)  $0.088$ 
B)  $0.00088$ 
C)  $8,800$ 
D)  $0.0088$ 
E)  $880$ 
A)  $0.088$ 
B)  $0.00088$ 
C)  $8,800$ 
D)  $0.0088$ 
E)  $880$

Question 7

Write the number in decimal form. $2.63 \times 10 ^ { 5 }$

Accepted Answer

The answer of Write the number in decimal form. \(2.63...

Question 8

Add. $( - 9 ) + ( + 2 ) + ( - 8 ) + ( - 9 ) + ( - 3 )$

Accepted Answer

A)  25 
B)  -25 
C)  -27 
D)  -30 
E)  27 
A)  25 
B)  -25 
C)  -27 
D)  -30 
E)  27

Question 9

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $\left( \frac { 10 ^ { 2 } } { 10 ^ { - 9 } } \right) ^ { 3 }$

Accepted Answer

A)  $10 ^ { 33 }$ 
B)  $10 ^ { 7 }$ 
C)  $\frac { 1 } { 10 ^ { 15 } }$ 
D)  $\frac { 1 } { 10 ^ { 33 } }$ 
E)  $\frac { 1 } { 10 ^ { 7 } }$ 
A)  $10 ^ { 33 }$ 
B)  $10 ^ { 7 }$ 
C)  $\frac { 1 } { 10 ^ { 15 } }$ 
D)  $\frac { 1 } { 10 ^ { 33 } }$ 
E)  $\frac { 1 } { 10 ^ { 7 } }$

Question 10

Perform the indicated operation. $2 - 3 + 4 - 9 - 4 + 3$

Accepted Answer

A)  -7 
B)  -6 
C)  13 
D)  6 
E)  11 
A)  -7 
B)  -6 
C)  13 
D)  6 
E)  11

Question 11

Perform the indicated operations and simplify. $\frac { 5 } { 8 } - \left( \frac { - 5 } { 8 } \right)$

Accepted Answer

The answer of Perform the indicated operations and simplify. \(\frac...

Question 12

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $\left( \frac { 10 ^ { 6 } } { 10 ^ { 7 } } \right) ^ { 2 }$

Accepted Answer

A)  $\frac { 1 } { 10 ^ { 2 } }$ 
B)  $10 ^ { 5 }$ 
C)  $\frac { 1 } { 10 ^ { 5 } }$ 
D)  $\frac { 1 } { 10 ^ { 13 } }$ 
E)  $10 ^ { 13 }$ 
A)  $\frac { 1 } { 10 ^ { 2 } }$ 
B)  $10 ^ { 5 }$ 
C)  $\frac { 1 } { 10 ^ { 5 } }$ 
D)  $\frac { 1 } { 10 ^ { 13 } }$ 
E)  $10 ^ { 13 }$

Question 13

Perform the indicated operations and simplify. $\left( \frac { - 2 } { 3 } \right) + \left( - \frac { 5 } { 6 } \right) + \frac { 1 } { 8 } + \frac { 1 } { 16 }$

Accepted Answer

A)  $- 1 \frac { 31 } { 16 }$ 
B)  $- 1 \frac { 5 } { 16 }$ 
C)  $2 \frac { 5 } { 16 }$ 
D)  $- 2 \frac { 31 } { 16 }$ 
E)  $1 \frac { 1 } { 3 }$ 
A)  $- 1 \frac { 31 } { 16 }$ 
B)  $- 1 \frac { 5 } { 16 }$ 
C)  $2 \frac { 5 } { 16 }$ 
D)  $- 2 \frac { 31 } { 16 }$ 
E)  $1 \frac { 1 } { 3 }$

Question 14

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $\frac { 10 ^ { 6 } \cdot 10 ^ { - 6 } \cdot 10 ^ { 3 } \cdot 10 ^ { 0 } } { 10 ^ { 4 } \cdot 10 ^ { - 17 } \cdot 10 ^ { 8 } }$

Accepted Answer

A)  $10 ^ { 7 }$ 
B)  $\frac { 1 } { 10 ^ { 84 } }$ 
C)  $\frac { 1 } { 10 ^ { 8 } }$ 
D)  $\frac { 1 } { 10 ^ { 7 } }$ 
E)  $10 ^ { 8 }$ 
A)  $10 ^ { 7 }$ 
B)  $\frac { 1 } { 10 ^ { 84 } }$ 
C)  $\frac { 1 } { 10 ^ { 8 } }$ 
D)  $\frac { 1 } { 10 ^ { 7 } }$ 
E)  $10 ^ { 8 }$

Question 15

Write the number in scientific notation. $0.00061$

Accepted Answer

A)  $61 \times 10 ^ { - 5 }$ 
B)  $6.1 \times 10 ^ { - 4 }$ 
C)  $6.1 \times 10 ^ { - 6 }$ 
D)  $61 \times 10 ^ { - 4 }$ 
E)  $6.1 \times 10 ^ { - 5 }$ 
A)  $61 \times 10 ^ { - 5 }$ 
B)  $6.1 \times 10 ^ { - 4 }$ 
C)  $6.1 \times 10 ^ { - 6 }$ 
D)  $61 \times 10 ^ { - 4 }$ 
E)  $6.1 \times 10 ^ { - 5 }$

Question 16

Perform the indicated operation. $8 + 1 - 6 + 2 - 6 - 8 + 2$

Accepted Answer

A)  -9 
B)  8 
C)  -8 
D)  -7 
E)  9 
A)  -9 
B)  8 
C)  -8 
D)  -7 
E)  9

Question 17

Perform the indicated operations. $\frac { \left( 2 \times 10 ^ { - 4 } \right) \left( 6 \times 10 ^ { - 9 } \right) } { \left( 3 \times 10 ^ { - 3 } \right) \left( 4 \times 10 ^ { 5 } \right) }$

Accepted Answer

A)  $10 ^ { - 16 }$ 
B)  $- 3.4 \times 10 ^ { 21 }$ 
C)  $10 ^ { 15 }$ 
D)  $5.2 \times 10 ^ { 21 }$ 
E)  $10 ^ { - 15 }$ 
A)  $10 ^ { - 16 }$ 
B)  $- 3.4 \times 10 ^ { 21 }$ 
C)  $10 ^ { 15 }$ 
D)  $5.2 \times 10 ^ { 21 }$ 
E)  $10 ^ { - 15 }$

Question 18

Multiply. $( - 3 ) ( - 1 ) ( - 5 ) ( - 2 ) ( - 4 ) ( + 6 )$

Accepted Answer

The answer of Multiply. \(( - 3 ) ( -...

Question 19

Perform the indicated operations and simplify. $46 \div \left( \frac { - 2 } { 7 } \right)$

Accepted Answer

A)  $- 13 \frac { 1 } { 7 }$ 
B)  $- 81$ 
C)  $- 161$ 
D)  $- 26 \frac { 3 } { 7 }$ 
E)  $- 3 \frac { 2 } { 7 }$ 
A)  $- 13 \frac { 1 } { 7 }$ 
B)  $- 81$ 
C)  $- 161$ 
D)  $- 26 \frac { 3 } { 7 }$ 
E)  $- 3 \frac { 2 } { 7 }$

Question 20

Perform the indicated operation. $( + 4 ) - ( - 1 ) - ( + 3 )$

Accepted Answer

The answer of Perform the indicated operation. \(( + 4...

Perform the indicated operation. $( + 8 ) - ( - 1 ) - ( + 2 ) + ( - 11 )$

Find the absolute value of the number. $+ 4$

Multiply. $( - 4 ) ( 2 ) ( - 3 ) ( - 9 )$

Multiply. $( - 4 ) ( - 9 )$

Perform the indicated operations and simplify. $\frac { 1 } { 16 } + \left( - \frac { 5 } { 32 } \right)$

Write the number in decimal form. $8.8 \times 10 ^ { - 3 }$

Write the number in decimal form. $2.63 \times 10 ^ { 5 }$

Add. $( - 9 ) + ( + 2 ) + ( - 8 ) + ( - 9 ) + ( - 3 )$

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $\left( \frac { 10 ^ { 2 } } { 10 ^ { - 9 } } \right) ^ { 3 }$

Perform the indicated operation. $2 - 3 + 4 - 9 - 4 + 3$

Perform the indicated operations and simplify. $\frac { 5 } { 8 } - \left( \frac { - 5 } { 8 } \right)$

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $\left( \frac { 10 ^ { 6 } } { 10 ^ { 7 } } \right) ^ { 2 }$

Perform the indicated operations and simplify. $\left( \frac { - 2 } { 3 } \right) + \left( - \frac { 5 } { 6 } \right) + \frac { 1 } { 8 } + \frac { 1 } { 16 }$

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $\frac { 10 ^ { 6 } \cdot 10 ^ { - 6 } \cdot 10 ^ { 3 } \cdot 10 ^ { 0 } } { 10 ^ { 4 } \cdot 10 ^ { - 17 } \cdot 10 ^ { 8 } }$

Write the number in scientific notation. $0.00061$

Perform the indicated operation. $8 + 1 - 6 + 2 - 6 - 8 + 2$

Perform the indicated operations. $\frac { \left( 2 \times 10 ^ { - 4 } \right) \left( 6 \times 10 ^ { - 9 } \right) } { \left( 3 \times 10 ^ { - 3 } \right) \left( 4 \times 10 ^ { 5 } \right) }$

Multiply. $( - 3 ) ( - 1 ) ( - 5 ) ( - 2 ) ( - 4 ) ( + 6 )$

Perform the indicated operations and simplify. $46 \div \left( \frac { - 2 } { 7 } \right)$

Perform the indicated operation. $( + 4 ) - ( - 1 ) - ( + 3 )$

Basic Concepts

The Metric System

Measurement

Polynomials: an Introduction to Algebra

Equations and Formulas

Ratio and Proportion

Graphing Linear Equations

Systems of Linear Equations

Factoring Algebraic Expressions

Quadratic Equations

Geometry

Right Triangle Trigonometry

Trigonometry With Any Angle

Basic Statistics

Binary and Hexadecimal Numbers

Filters

Exam 2: Signed Numbers and Powers of 10

Perform the indicated operation. (+8)−(−1)−(+2)+(−11)( + 8 ) - ( - 1 ) - ( + 2 ) + ( - 11 )(+8)−(−1)−(+2)+(−11)

Find the absolute value of the number. +4+ 4+4

Multiply. (−4)(2)(−3)(−9)( - 4 ) ( 2 ) ( - 3 ) ( - 9 )(−4)(2)(−3)(−9)

Multiply. (−4)(−9)( - 4 ) ( - 9 )(−4)(−9)

Perform the indicated operations and simplify. 116+(−532)\frac { 1 } { 16 } + \left( - \frac { 5 } { 32 } \right)161​+(−325​)

Write the number in decimal form. 8.8×10−38.8 \times 10 ^ { - 3 }8.8×10−3

Write the number in decimal form. 2.63×1052.63 \times 10 ^ { 5 }2.63×105

Add. (−9)+(+2)+(−8)+(−9)+(−3)( - 9 ) + ( + 2 ) + ( - 8 ) + ( - 9 ) + ( - 3 )(−9)+(+2)+(−8)+(−9)+(−3)

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. (10210−9)3\left( \frac { 10 ^ { 2 } } { 10 ^ { - 9 } } \right) ^ { 3 }(10−9102​)3

Perform the indicated operation. 2−3+4−9−4+32 - 3 + 4 - 9 - 4 + 32−3+4−9−4+3

Perform the indicated operations and simplify. 58−(−58)\frac { 5 } { 8 } - \left( \frac { - 5 } { 8 } \right)85​−(8−5​)

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. (106107)2\left( \frac { 10 ^ { 6 } } { 10 ^ { 7 } } \right) ^ { 2 }(107106​)2

Perform the indicated operations and simplify. (−23)+(−56)+18+116\left( \frac { - 2 } { 3 } \right) + \left( - \frac { 5 } { 6 } \right) + \frac { 1 } { 8 } + \frac { 1 } { 16 }(3−2​)+(−65​)+81​+161​

Write the number in scientific notation. 0.000610.000610.00061

Perform the indicated operation. 8+1−6+2−6−8+28 + 1 - 6 + 2 - 6 - 8 + 28+1−6+2−6−8+2

Perform the indicated operations. (2×10−4)(6×10−9)(3×10−3)(4×105)\frac { \left( 2 \times 10 ^ { - 4 } \right) \left( 6 \times 10 ^ { - 9 } \right) } { \left( 3 \times 10 ^ { - 3 } \right) \left( 4 \times 10 ^ { 5 } \right) }(3×10−3)(4×105)(2×10−4)(6×10−9)​

Multiply. (−3)(−1)(−5)(−2)(−4)(+6)( - 3 ) ( - 1 ) ( - 5 ) ( - 2 ) ( - 4 ) ( + 6 )(−3)(−1)(−5)(−2)(−4)(+6)

Perform the indicated operations and simplify. 46÷(−27)46 \div \left( \frac { - 2 } { 7 } \right)46÷(7−2​)

Perform the indicated operation. (+4)−(−1)−(+3)( + 4 ) - ( - 1 ) - ( + 3 )(+4)−(−1)−(+3)

Basic Concepts

The Metric System

Measurement

Polynomials: an Introduction to Algebra

Equations and Formulas

Ratio and Proportion

Graphing Linear Equations

Systems of Linear Equations

Factoring Algebraic Expressions

Quadratic Equations

Geometry

Right Triangle Trigonometry

Trigonometry With Any Angle

Basic Statistics

Binary and Hexadecimal Numbers

Filters

Perform the indicated operation. $( + 8 ) - ( - 1 ) - ( + 2 ) + ( - 11 )$

Find the absolute value of the number. $+ 4$

Multiply. $( - 4 ) ( 2 ) ( - 3 ) ( - 9 )$

Multiply. $( - 4 ) ( - 9 )$

Perform the indicated operations and simplify. $\frac { 1 } { 16 } + \left( - \frac { 5 } { 32 } \right)$

Write the number in decimal form. $8.8 \times 10 ^ { - 3 }$

Write the number in decimal form. $2.63 \times 10 ^ { 5 }$

Add. $( - 9 ) + ( + 2 ) + ( - 8 ) + ( - 9 ) + ( - 3 )$

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $\left( \frac { 10 ^ { 2 } } { 10 ^ { - 9 } } \right) ^ { 3 }$

Perform the indicated operation. $2 - 3 + 4 - 9 - 4 + 3$

Perform the indicated operations and simplify. $\frac { 5 } { 8 } - \left( \frac { - 5 } { 8 } \right)$

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $\left( \frac { 10 ^ { 6 } } { 10 ^ { 7 } } \right) ^ { 2 }$

Perform the indicated operations and simplify. $\left( \frac { - 2 } { 3 } \right) + \left( - \frac { 5 } { 6 } \right) + \frac { 1 } { 8 } + \frac { 1 } { 16 }$

Write the number in scientific notation. $0.00061$

Perform the indicated operation. $8 + 1 - 6 + 2 - 6 - 8 + 2$

Perform the indicated operations. $\frac { \left( 2 \times 10 ^ { - 4 } \right) \left( 6 \times 10 ^ { - 9 } \right) } { \left( 3 \times 10 ^ { - 3 } \right) \left( 4 \times 10 ^ { 5 } \right) }$

Multiply. $( - 3 ) ( - 1 ) ( - 5 ) ( - 2 ) ( - 4 ) ( + 6 )$

Perform the indicated operations and simplify. $46 \div \left( \frac { - 2 } { 7 } \right)$

Perform the indicated operation. $( + 4 ) - ( - 1 ) - ( + 3 )$