Question 1

Multiply. $( - 7 ) ( + 2 )$

Accepted Answer

A)  -7 
B)  14 
C)  7 
D)  -14 
E)  -11 
A)  -7 
B)  14 
C)  7 
D)  -14 
E)  -11

Question 2

Subtract. $( - 2 ) - ( - 9 )$

Accepted Answer

The answer of Subtract. \(( - 2 ) - (...

Question 3

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $\frac { 1 } { 10 ^ { 12 } }$

Accepted Answer

A)  $10 ^ { 24 }$ 
B)  $10 ^ { 22 }$ 
C)  $10 ^ { 11 }$ 
D)  $10 ^ { 13 }$ 
E)  $10 ^ { 12 }$ 
A)  $10 ^ { 24 }$ 
B)  $10 ^ { 22 }$ 
C)  $10 ^ { 11 }$ 
D)  $10 ^ { 13 }$ 
E)  $10 ^ { 12 }$

Question 4

Add or subtract as indicated. $- 7 \frac { 1 } { 2 } - 6 \frac { 1 } { 8 } - 2 \frac { 1 } { 16 }$

Accepted Answer

A)  $- 14 \frac { 13 } { 16 }$ 
B)  $- 11 \frac { 9 } { 16 }$ 
C)  $- 15 \frac { 9 } { 16 }$ 
D)  $- 15 \frac { 11 } { 16 }$ 
E)  $- 3 \frac { 11 } { 16 }$ 
A)  $- 14 \frac { 13 } { 16 }$ 
B)  $- 11 \frac { 9 } { 16 }$ 
C)  $- 15 \frac { 9 } { 16 }$ 
D)  $- 15 \frac { 11 } { 16 }$ 
E)  $- 3 \frac { 11 } { 16 }$

Question 5

Write $2.9 \times 10 ^ { 3 }$ in decimal form.

Accepted Answer

A)  $290$ 
B)  $2.9$ 
C)  $2,900$ 
D)  $29,000$ 
E)  $29$ 
A)  $290$ 
B)  $2.9$ 
C)  $2,900$ 
D)  $29,000$ 
E)  $29$

Question 6

Convert the number into scientific notation.
341.19 $\underline { \quad\quad\quad\quad    } $×$\underline { \quad\quad\quad\quad    } $-

Accepted Answer

The answer of Convert the number into scientific notation.
341.19 \(\underline...

Question 7

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

Accepted Answer

A)  $\frac { 1 } { 10 ^ { 11 } }$ 
B)  $10 ^ { 24 }$ 
C)  $10 ^ { 8 }$ 
D)  $10 ^ { 11 }$ 
E)  $10 ^ { 5 }$ 
A)  $\frac { 1 } { 10 ^ { 11 } }$ 
B)  $10 ^ { 24 }$ 
C)  $10 ^ { 8 }$ 
D)  $10 ^ { 11 }$ 
E)  $10 ^ { 5 }$

Question 8

Perform the indicated operations and simplify. $\left( \frac { - 4 } { 5 } \right) + \left( - \frac { 9 } { 10 } \right) + \frac { 1 } { 6 } + \frac { 1 } { 12 }$

Accepted Answer

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

Question 9

Add. $( - 7 ) + 1 + 2 + ( - 2 ) + ( - 1 )$

Accepted Answer

A)  -9 
B)  7 
C)  -10 
D)  -7 
E)  -6 
A)  -9 
B)  7 
C)  -10 
D)  -7 
E)  -6

Question 10

Compute the value of the expression. $8 + ( - 3 ) + ( - 7 ) + ( - 12 ) + 35$

Accepted Answer

A)  21 
B)  20 
C)  49 
D)  23 
E)  18 
A)  21 
B)  20 
C)  49 
D)  23 
E)  18

Question 11

Multiply. $( - 3 ) ( + 8 )$

Accepted Answer

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

Question 12

Perform the indicated operation. $( + 4 ) - ( - 5 )$

Accepted Answer

A)  9 
B)  -10 
C)  10 
D)  -9 
E)  -1 
A)  9 
B)  -10 
C)  10 
D)  -9 
E)  -1

Question 13

Multiply. $( 74 ) ( 67 )$

Accepted Answer

The answer of Multiply. $( 74 ) ( 67 )$...

Question 14

Find the absolute value of the number.
3

Accepted Answer

The answer of Find the absolute value of the number.
3...

Question 15

Subtract. $( - 4 ) - ( + 2 )$

Accepted Answer

The answer of Subtract. \(( - 4 ) - (...

Question 16

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $10 ^ { - 18 } \cdot 10 ^ { 15 }$

Accepted Answer

A)  $10 ^ { 33 }$ 
B)  $10 ^ { 36 }$ 
C)  $10 ^ { 3 }$ 
D)  $\frac { 1 } { 10 ^ { 33 } }$ 
E)  $\frac { 1 } { 10 ^ { 3 } }$ 
A)  $10 ^ { 33 }$ 
B)  $10 ^ { 36 }$ 
C)  $10 ^ { 3 }$ 
D)  $\frac { 1 } { 10 ^ { 33 } }$ 
E)  $\frac { 1 } { 10 ^ { 3 } }$

Question 17

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $10 ^ { - 2 } \cdot 10 ^ { - 6 }$

Accepted Answer

A)  $\frac { 1 } { 10 ^ { 4 } }$ 
B)  $\frac { 1 } { 10 ^ { 12 } }$ 
C)  $10 ^ { 4 }$ 
D)  $\frac { 1 } { 10 ^ { 8 } }$ 
E)  $10 ^ { 12 }$ 
A)  $\frac { 1 } { 10 ^ { 4 } }$ 
B)  $\frac { 1 } { 10 ^ { 12 } }$ 
C)  $10 ^ { 4 }$ 
D)  $\frac { 1 } { 10 ^ { 8 } }$ 
E)  $10 ^ { 12 }$

Question 18

Add. $12 + ( - 2 ) + ( - 1 ) + 24 + ( - 8 )$

Accepted Answer

A)  25 
B)  28 
C)  23 
D)  41 
E)  26 
A)  25 
B)  28 
C)  23 
D)  41 
E)  26

Question 19

Write 30,000 in scientific notation. $\underline { \quad\quad\quad\quad    } $×$\underline { \quad\quad\quad\quad    } $-

Accepted Answer

The answer of Write 30,000 in scientific notation. \(\underline {...

Question 20

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $\left( \frac { 10 ^ { 7 } \cdot 10 ^ { - 3 } } { 10 ^ { - 4 } } \right) ^ { 2 }$

Accepted Answer

The answer of Perform the indicated operations using the laws...

Multiply. $( - 7 ) ( + 2 )$

Subtract. $( - 2 ) - ( - 9 )$

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $\frac { 1 } { 10 ^ { 12 } }$

Add or subtract as indicated. $- 7 \frac { 1 } { 2 } - 6 \frac { 1 } { 8 } - 2 \frac { 1 } { 16 }$

Write $2.9 \times 10 ^ { 3 }$ in decimal form.

Convert the number into scientific notation. 341.19 $\underline { \quad\quad\quad\quad }$ × $\underline { \quad\quad\quad\quad }$ -

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

Perform the indicated operations and simplify. $\left( \frac { - 4 } { 5 } \right) + \left( - \frac { 9 } { 10 } \right) + \frac { 1 } { 6 } + \frac { 1 } { 12 }$

Add. $( - 7 ) + 1 + 2 + ( - 2 ) + ( - 1 )$

Compute the value of the expression. $8 + ( - 3 ) + ( - 7 ) + ( - 12 ) + 35$

Multiply. $( - 3 ) ( + 8 )$

Perform the indicated operation. $( + 4 ) - ( - 5 )$

Multiply. $( 74 ) ( 67 )$

Find the absolute value of the number. 3

Subtract. $( - 4 ) - ( + 2 )$

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $10 ^ { - 18 } \cdot 10 ^ { 15 }$

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $10 ^ { - 2 } \cdot 10 ^ { - 6 }$

Add. $12 + ( - 2 ) + ( - 1 ) + 24 + ( - 8 )$

Write 30,000 in scientific notation. $\underline { \quad\quad\quad\quad }$ × $\underline { \quad\quad\quad\quad }$ -

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $\left( \frac { 10 ^ { 7 } \cdot 10 ^ { - 3 } } { 10 ^ { - 4 } } \right) ^ { 2 }$

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

Multiply. (−7)(+2)( - 7 ) ( + 2 )(−7)(+2)

Subtract. (−2)−(−9)( - 2 ) - ( - 9 )(−2)−(−9)

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. 11012\frac { 1 } { 10 ^ { 12 } }10121​

Add or subtract as indicated. −712−618−2116- 7 \frac { 1 } { 2 } - 6 \frac { 1 } { 8 } - 2 \frac { 1 } { 16 }−721​−681​−2161​

Write 2.9×1032.9 \times 10 ^ { 3 }2.9×103 in decimal form.

Convert the number into scientific notation. 341.19 ‾\underline { \quad\quad\quad\quad } ​ × ‾\underline { \quad\quad\quad\quad } ​ -

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. 10−3⋅10810 ^ { - 3 } \cdot 10 ^ { 8 }10−3⋅108

Perform the indicated operations and simplify. (−45)+(−910)+16+112\left( \frac { - 4 } { 5 } \right) + \left( - \frac { 9 } { 10 } \right) + \frac { 1 } { 6 } + \frac { 1 } { 12 }(5−4​)+(−109​)+61​+121​

Add. (−7)+1+2+(−2)+(−1)( - 7 ) + 1 + 2 + ( - 2 ) + ( - 1 )(−7)+1+2+(−2)+(−1)

Compute the value of the expression. 8+(−3)+(−7)+(−12)+358 + ( - 3 ) + ( - 7 ) + ( - 12 ) + 358+(−3)+(−7)+(−12)+35

Multiply. (−3)(+8)( - 3 ) ( + 8 )(−3)(+8)

Perform the indicated operation. (+4)−(−5)( + 4 ) - ( - 5 )(+4)−(−5)

Multiply. (74)(67)( 74 ) ( 67 )(74)(67)

Find the absolute value of the number. 3

Subtract. (−4)−(+2)( - 4 ) - ( + 2 )(−4)−(+2)

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. 10−18⋅101510 ^ { - 18 } \cdot 10 ^ { 15 }10−18⋅1015

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. 10−2⋅10−610 ^ { - 2 } \cdot 10 ^ { - 6 }10−2⋅10−6

Add. 12+(−2)+(−1)+24+(−8)12 + ( - 2 ) + ( - 1 ) + 24 + ( - 8 )12+(−2)+(−1)+24+(−8)

Write 30,000 in scientific notation. ‾\underline { \quad\quad\quad\quad } ​ × ‾\underline { \quad\quad\quad\quad } ​ -

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. (107⋅10−310−4)2\left( \frac { 10 ^ { 7 } \cdot 10 ^ { - 3 } } { 10 ^ { - 4 } } \right) ^ { 2 }(10−4107⋅10−3​)2

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

Multiply. $( - 7 ) ( + 2 )$

Subtract. $( - 2 ) - ( - 9 )$

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $\frac { 1 } { 10 ^ { 12 } }$

Add or subtract as indicated. $- 7 \frac { 1 } { 2 } - 6 \frac { 1 } { 8 } - 2 \frac { 1 } { 16 }$

Write $2.9 \times 10 ^ { 3 }$ in decimal form.

Convert the number into scientific notation. 341.19 $\underline { \quad\quad\quad\quad }$ × $\underline { \quad\quad\quad\quad }$ -

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

Perform the indicated operations and simplify. $\left( \frac { - 4 } { 5 } \right) + \left( - \frac { 9 } { 10 } \right) + \frac { 1 } { 6 } + \frac { 1 } { 12 }$

Add. $( - 7 ) + 1 + 2 + ( - 2 ) + ( - 1 )$

Compute the value of the expression. $8 + ( - 3 ) + ( - 7 ) + ( - 12 ) + 35$

Multiply. $( - 3 ) ( + 8 )$

Perform the indicated operation. $( + 4 ) - ( - 5 )$

Multiply. $( 74 ) ( 67 )$

Subtract. $( - 4 ) - ( + 2 )$

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $10 ^ { - 18 } \cdot 10 ^ { 15 }$

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $10 ^ { - 2 } \cdot 10 ^ { - 6 }$

Add. $12 + ( - 2 ) + ( - 1 ) + 24 + ( - 8 )$

Write 30,000 in scientific notation. $\underline { \quad\quad\quad\quad }$ × $\underline { \quad\quad\quad\quad }$ -

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $\left( \frac { 10 ^ { 7 } \cdot 10 ^ { - 3 } } { 10 ^ { - 4 } } \right) ^ { 2 }$