Question 1

Divide. $( + 84 ) \div ( - 6 )$

Accepted Answer

-14

Question 2

Multiply. $( - 4 ) ( - 14 )$

Accepted Answer

A)  56 
B)  -52 
C)  -59 
D)  61 
E)  -57 
A)  56 
B)  -52 
C)  -59 
D)  61 
E)  -57 A

Question 3

Perform the indicated operations and simplify. $\frac { 8 } { 9 } + \left( - \frac { 73 } { 81 } \right)$

Accepted Answer

A)  $- \frac { 1 } { 80 }$ 
B)  $- \frac { 1 } { 9 }$ 
C)  $- \frac { 1 } { 81 }$ 
D)  $- \frac { 1 } { 78 }$ 
E)  $- \frac { 65 } { 72 }$ 
A)  $- \frac { 1 } { 80 }$ 
B)  $- \frac { 1 } { 9 }$ 
C)  $- \frac { 1 } { 81 }$ 
D)  $- \frac { 1 } { 78 }$ 
E)  $- \frac { 65 } { 72 }$ C

Question 4

Add. $( - 6 ) + ( + 2 ) + ( - 7 ) + ( - 1 ) + ( - 3 )$

Accepted Answer

The answer of Add. \(( - 6 ) + (...

Question 5

Compute the value of the expression. $- 10 + 4 + ( - 1 )$

Accepted Answer

The answer of Compute the value of the expression. \(-...

Question 6

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $\left( \frac { 10 ^ { 9 } \cdot 10 ^ { - 4 } } { 10 ^ { - 4 } } \right) ^ { 2 }$

Accepted Answer

A)  $\frac { 1 } { 10 ^ { 2 } }$ 
B)  $10 ^ { 2 }$ 
C)  $10 ^ { 18 }$ 
D)  $\frac { 1 } { 10 ^ { 18 } }$ 
E)  $\frac { 1 } { 10 ^ { 6 } }$ 
A)  $\frac { 1 } { 10 ^ { 2 } }$ 
B)  $10 ^ { 2 }$ 
C)  $10 ^ { 18 }$ 
D)  $\frac { 1 } { 10 ^ { 18 } }$ 
E)  $\frac { 1 } { 10 ^ { 6 } }$

Question 7

Perform the indicated operations and simplify. $\left( \frac { - 2 } { 3 } \right) - ( - 9 )$

Accepted Answer

A)  $8 \frac { 1 } { 3 }$ 
B)  $8 \frac { 2 } { 3 }$ 
C)  $4 \frac { 2 } { 3 }$ 
D)  $4 \frac { 1 } { 2 }$ 
E)  $8 \frac { 7 } { 3 }$ 
A)  $8 \frac { 1 } { 3 }$ 
B)  $8 \frac { 2 } { 3 }$ 
C)  $4 \frac { 2 } { 3 }$ 
D)  $4 \frac { 1 } { 2 }$ 
E)  $8 \frac { 7 } { 3 }$

Question 8

Compute the value of the expression. $- 11 + 4 + ( - 2 )$

Accepted Answer

A)  7 
B)  -6 
C)  10 
D)  -9 
E)  -5 
A)  7 
B)  -6 
C)  10 
D)  -9 
E)  -5

Question 9

Multiply. $( - 2 ) ( - 4 ) ( - 7 )$

Accepted Answer

A)  48 
B)  -56 
C)  56 
D)  28 
E)  -48 
A)  48 
B)  -56 
C)  56 
D)  28 
E)  -48

Question 10

Perform the indicated operations and simplify. $\frac { 2 } { 3 } + \left( \frac { 7 } { 9 } \right)$

Accepted Answer

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

Question 11

Write the number $4.61 \times 10 ^ { 4 }$ in decimal form.

Accepted Answer

A)  $0.000461$ 
B)  $4,610$ 
C)  $461,000$ 
D)  $0.00461$ 
E)  $46,100$ 
A)  $0.000461$ 
B)  $4,610$ 
C)  $461,000$ 
D)  $0.00461$ 
E)  $46,100$

Question 12

Find the smaller number.
0.00691 or 0.0368

Accepted Answer

The answer of Find the smaller number.
0.00691 or 0.0368...

Question 13

Add. $- 4$ $0$

Accepted Answer

A)  0 
B)  -7 
C)  -4 
D)  -6 
E)  4 
A)  0 
B)  -7 
C)  -4 
D)  -6 
E)  4

Question 14

Perform the indicated operation. $( - 14 ) - ( + 2 )$

Accepted Answer

A)  -12 
B)  12 
C)  -15 
D)  -16 
E)  16 
A)  -12 
B)  12 
C)  -15 
D)  -16 
E)  16

Question 15

Write the number in decimal form. $1.92 \times 10 ^ { - 4 }$

Accepted Answer

The answer of Write the number in decimal form. \(1.92...

Question 16

Multiply. $( - 2 ) ( - 1 ) ( - 8 ) ( - 5 ) ( - 1 ) ( + 9 )$

Accepted Answer

A)  -722 
B)  728 
C)  722 
D)  -720 
E)  719 
A)  -722 
B)  728 
C)  722 
D)  -720 
E)  719

Question 17

Write the following number in scientific notation. $887$

Accepted Answer

A)  $0.887 \times 10 ^ { 4 }$ 
B)  $887 \times 10 ^ { - 2 }$ 
C)  $8.87 \times 10 ^ { 3 }$ 
D)  $8.87 \times 10 ^ { 2 }$ 
E)  $88.7 \times 10 ^ { 2 }$ 
A)  $0.887 \times 10 ^ { 4 }$ 
B)  $887 \times 10 ^ { - 2 }$ 
C)  $8.87 \times 10 ^ { 3 }$ 
D)  $8.87 \times 10 ^ { 2 }$ 
E)  $88.7 \times 10 ^ { 2 }$

Question 18

Perform the indicated operations and simplify. $\left( - \frac { 7 } { 8 } \right) - \left( - 8 \frac { 6 } { 7 } \right) + \left( - 8 \frac { 13 } { 14 } \right)$

Accepted Answer

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

Question 19

Convert the number into scientific notation. 313.13

Accepted Answer

A)  $0.31313 \times 10 ^ { 2 }$ 
B)  $0.31313 \times 10 ^ { 3 }$ 
C)  $313.13 \times 10 ^ { - 2 }$ 
D)  $31.313 \times 10$ 
E)  $3.1313 \times 10 ^ { 2 }$ 
A)  $0.31313 \times 10 ^ { 2 }$ 
B)  $0.31313 \times 10 ^ { 3 }$ 
C)  $313.13 \times 10 ^ { - 2 }$ 
D)  $31.313 \times 10$ 
E)  $3.1313 \times 10 ^ { 2 }$

Question 20

Perform the indicated operations and simplify. $\left( \frac { - 11 } { - 36 } \right) ( - 27 )$

Accepted Answer

A)  $- 8 \frac { 1 } { 4 }$ 
B)  $2 \frac { 3 } { 4 }$ 
C)  $- 2 \frac { 3 } { 4 }$ 
D)  $\frac { 3 } { 4 }$ 
E)  $8 \frac { 1 } { 4 }$ 
A)  $- 8 \frac { 1 } { 4 }$ 
B)  $2 \frac { 3 } { 4 }$ 
C)  $- 2 \frac { 3 } { 4 }$ 
D)  $\frac { 3 } { 4 }$ 
E)  $8 \frac { 1 } { 4 }$

Divide. $( + 84 ) \div ( - 6 )$

Multiply. $( - 4 ) ( - 14 )$

Perform the indicated operations and simplify. $\frac { 8 } { 9 } + \left( - \frac { 73 } { 81 } \right)$

Add. $( - 6 ) + ( + 2 ) + ( - 7 ) + ( - 1 ) + ( - 3 )$

Compute the value of the expression. $- 10 + 4 + ( - 1 )$

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $\left( \frac { 10 ^ { 9 } \cdot 10 ^ { - 4 } } { 10 ^ { - 4 } } \right) ^ { 2 }$

Perform the indicated operations and simplify. $\left( \frac { - 2 } { 3 } \right) - ( - 9 )$

Compute the value of the expression. $- 11 + 4 + ( - 2 )$

Multiply. $( - 2 ) ( - 4 ) ( - 7 )$

Perform the indicated operations and simplify. $\frac { 2 } { 3 } + \left( \frac { 7 } { 9 } \right)$

Write the number $4.61 \times 10 ^ { 4 }$ in decimal form.

Find the smaller number. 0.00691 or 0.0368

Add. $- 4$ $0$

Perform the indicated operation. $( - 14 ) - ( + 2 )$

Write the number in decimal form. $1.92 \times 10 ^ { - 4 }$

Multiply. $( - 2 ) ( - 1 ) ( - 8 ) ( - 5 ) ( - 1 ) ( + 9 )$

Write the following number in scientific notation. $887$

Perform the indicated operations and simplify. $\left( - \frac { 7 } { 8 } \right) - \left( - 8 \frac { 6 } { 7 } \right) + \left( - 8 \frac { 13 } { 14 } \right)$

Convert the number into scientific notation. 313.13

Perform the indicated operations and simplify. $\left( \frac { - 11 } { - 36 } \right) ( - 27 )$

Basic Concepts

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Polynomials: an Introduction to Algebra

Equations and Formulas

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Exam 2: Signed Numbers and Powers of 10

Divide. (+84)÷(−6)( + 84 ) \div ( - 6 )(+84)÷(−6)

Multiply. (−4)(−14)( - 4 ) ( - 14 )(−4)(−14)

Perform the indicated operations and simplify. 89+(−7381)\frac { 8 } { 9 } + \left( - \frac { 73 } { 81 } \right)98​+(−8173​)

Add. (−6)+(+2)+(−7)+(−1)+(−3)( - 6 ) + ( + 2 ) + ( - 7 ) + ( - 1 ) + ( - 3 )(−6)+(+2)+(−7)+(−1)+(−3)

Compute the value of the expression. −10+4+(−1)- 10 + 4 + ( - 1 )−10+4+(−1)

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. (109⋅10−410−4)2\left( \frac { 10 ^ { 9 } \cdot 10 ^ { - 4 } } { 10 ^ { - 4 } } \right) ^ { 2 }(10−4109⋅10−4​)2

Perform the indicated operations and simplify. (−23)−(−9)\left( \frac { - 2 } { 3 } \right) - ( - 9 )(3−2​)−(−9)

Compute the value of the expression. −11+4+(−2)- 11 + 4 + ( - 2 )−11+4+(−2)

Multiply. (−2)(−4)(−7)( - 2 ) ( - 4 ) ( - 7 )(−2)(−4)(−7)

Perform the indicated operations and simplify. 23+(79)\frac { 2 } { 3 } + \left( \frac { 7 } { 9 } \right)32​+(97​)

Write the number 4.61×1044.61 \times 10 ^ { 4 }4.61×104 in decimal form.

Find the smaller number. 0.00691 or 0.0368

Add. −4- 4−4 000

Perform the indicated operation. (−14)−(+2)( - 14 ) - ( + 2 )(−14)−(+2)

Write the number in decimal form. 1.92×10−41.92 \times 10 ^ { - 4 }1.92×10−4

Multiply. (−2)(−1)(−8)(−5)(−1)(+9)( - 2 ) ( - 1 ) ( - 8 ) ( - 5 ) ( - 1 ) ( + 9 )(−2)(−1)(−8)(−5)(−1)(+9)

Write the following number in scientific notation. 887887887

Perform the indicated operations and simplify. (−78)−(−867)+(−81314)\left( - \frac { 7 } { 8 } \right) - \left( - 8 \frac { 6 } { 7 } \right) + \left( - 8 \frac { 13 } { 14 } \right)(−87​)−(−876​)+(−81413​)

Convert the number into scientific notation. 313.13

Perform the indicated operations and simplify. (−11−36)(−27)\left( \frac { - 11 } { - 36 } \right) ( - 27 )(−36−11​)(−27)

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

Divide. $( + 84 ) \div ( - 6 )$

Multiply. $( - 4 ) ( - 14 )$

Perform the indicated operations and simplify. $\frac { 8 } { 9 } + \left( - \frac { 73 } { 81 } \right)$

Add. $( - 6 ) + ( + 2 ) + ( - 7 ) + ( - 1 ) + ( - 3 )$

Compute the value of the expression. $- 10 + 4 + ( - 1 )$

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $\left( \frac { 10 ^ { 9 } \cdot 10 ^ { - 4 } } { 10 ^ { - 4 } } \right) ^ { 2 }$

Perform the indicated operations and simplify. $\left( \frac { - 2 } { 3 } \right) - ( - 9 )$

Compute the value of the expression. $- 11 + 4 + ( - 2 )$

Multiply. $( - 2 ) ( - 4 ) ( - 7 )$

Perform the indicated operations and simplify. $\frac { 2 } { 3 } + \left( \frac { 7 } { 9 } \right)$

Write the number $4.61 \times 10 ^ { 4 }$ in decimal form.

Add. $- 4$ $0$

Perform the indicated operation. $( - 14 ) - ( + 2 )$

Write the number in decimal form. $1.92 \times 10 ^ { - 4 }$

Multiply. $( - 2 ) ( - 1 ) ( - 8 ) ( - 5 ) ( - 1 ) ( + 9 )$

Write the following number in scientific notation. $887$

Perform the indicated operations and simplify. $\left( - \frac { 7 } { 8 } \right) - \left( - 8 \frac { 6 } { 7 } \right) + \left( - 8 \frac { 13 } { 14 } \right)$

Perform the indicated operations and simplify. $\left( \frac { - 11 } { - 36 } \right) ( - 27 )$