Question 1

Compute the value of the expression. $7 + ( - 7 )$

Accepted Answer

A)  0 
B)  -1 
C)  6 
D)  14 
E)  -14 
A)  0 
B)  -1 
C)  6 
D)  14 
E)  -14

Question 2

Perform the indicated operation. $( - 3 ) - ( - 5 ) - ( + 4 )$

Accepted Answer

A)  -6 
B)  -2 
C)  -3 
D)  6 
E)  3 
A)  -6 
B)  -2 
C)  -3 
D)  6 
E)  3

Question 3

Multiply. $( - 6 ) ( 0 )$

Accepted Answer

A)  0 
B)  6 
C)  -6 
D)  -60 
E)  60 
A)  0 
B)  6 
C)  -6 
D)  -60 
E)  60

Question 4

Find the larger number. $0.000038 ; 0.00049$

Accepted Answer

A)  $0.00049$ 
B)  $0.000038$ 
C)  They are equal. 
A)  $0.00049$ 
B)  $0.000038$ 
C)  They are equal.

Question 5

Perform the indicated operation. $( - 3 ) - ( + 6 ) + ( - 15 ) - ( - 10 ) - ( + 13 )$

Accepted Answer

The answer of Perform the indicated operation. \(( - 3...

Question 6

Perform the indicated operation. $( + 4 ) - ( - 8 ) - ( + 10 ) + ( - 13 )$

Accepted Answer

A)  -10 
B)  11 
C)  10 
D)  -9 
E)  -11 
A)  -10 
B)  11 
C)  10 
D)  -9 
E)  -11

Question 7

Add. $+ 3$ $+ 4$

Accepted Answer

The answer of Add. $+ 3$ $+ 4$...

Question 8

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $\frac { \left( 10 ^ { 9 } \right) ^ { 3 } } { 10 ^ { - 8 } }$

Accepted Answer

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

Question 9

Find the smaller number. 0.001 or 0.0007

Accepted Answer

A)  0.001 
B)  0.0007 
C)  They are equal. 
A)  0.001 
B)  0.0007 
C)  They are equal.

Question 10

Multiply. $( - 9 ) ( - 15 )$

Accepted Answer

The answer of Multiply. \(( - 9 ) ( -...

Question 11

Add. $1 + 2 + ( - 1 ) + 9 + ( - 5 )$

Accepted Answer

The answer of Add. \(1 + 2 + ( -...

Question 12

Multiply. $( 56 ) ( 66 )$

Accepted Answer

A)  $4,663$ 
B)  $4,653$ 
C)  $4,753$ 
D)  $465$ 
E)  $466$ 
A)  $4,663$ 
B)  $4,653$ 
C)  $4,753$ 
D)  $465$ 
E)  $466$

Question 13

Perform the indicated operations and simplify. $\left( - \frac { 3 } { 4 } \right) - \left( - 9 \frac { 2 } { 3 } \right) + \left( - 9 \frac { 5 } { 6 } \right)$

Accepted Answer

A)  $- \frac { 11 } { 12 }$ 
B)  $\frac { 7 } { 16 }$ 
C)  $1 \frac { 1 } { 12 }$ 
D)  $\frac { 25 } { 48 }$ 
E)  $- \frac { 5 } { 24 }$ 
A)  $- \frac { 11 } { 12 }$ 
B)  $\frac { 7 } { 16 }$ 
C)  $1 \frac { 1 } { 12 }$ 
D)  $\frac { 25 } { 48 }$ 
E)  $- \frac { 5 } { 24 }$

Question 14

Multiply. $( - 2 ) ( - 5 )$

Accepted Answer

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

Question 15

Compute the value of the expression. $- 22 + ( - 2 ) + ( - 1 ) + 14$

Accepted Answer

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

Question 16

Perform the indicated operation. $( - 9 ) - ( 5 )$

Accepted Answer

The answer of Perform the indicated operation. \(( - 9...

Question 17

Find the larger number. $145,000 ; 92,433$

Accepted Answer

A)  $92,433$ 
B)  $145,000$ 
C)  They are equal. 
A)  $92,433$ 
B)  $145,000$ 
C)  They are equal.

Question 18

Compute the value of the expression. $+ 6 + ( - 7 )$

Accepted Answer

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

Question 19

Express the number in decimal form. $9.1 \times 10 ^ { - 5 }$

Accepted Answer

A)  $0.0000091$ 
B)  $0.00091$ 
C)  $0.000091$ 
D)  $0.00000091$ 
E)  $9.10$ 
A)  $0.0000091$ 
B)  $0.00091$ 
C)  $0.000091$ 
D)  $0.00000091$ 
E)  $9.10$

Question 20

Perform the indicated operation. $( - 5 ) - ( + 8 )$

Accepted Answer

A)  -14 
B)  13 
C)  -13 
D)  -3 
E)  14 
A)  -14 
B)  13 
C)  -13 
D)  -3 
E)  14

Compute the value of the expression. $7 + ( - 7 )$

Perform the indicated operation. $( - 3 ) - ( - 5 ) - ( + 4 )$

Multiply. $( - 6 ) ( 0 )$

Find the larger number. $0.000038 ; 0.00049$

Perform the indicated operation. $( - 3 ) - ( + 6 ) + ( - 15 ) - ( - 10 ) - ( + 13 )$

Perform the indicated operation. $( + 4 ) - ( - 8 ) - ( + 10 ) + ( - 13 )$

Add. $+ 3$ $+ 4$

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $\frac { \left( 10 ^ { 9 } \right) ^ { 3 } } { 10 ^ { - 8 } }$

Find the smaller number. 0.001 or 0.0007

Multiply. $( - 9 ) ( - 15 )$

Add. $1 + 2 + ( - 1 ) + 9 + ( - 5 )$

Multiply. $( 56 ) ( 66 )$

Perform the indicated operations and simplify. $\left( - \frac { 3 } { 4 } \right) - \left( - 9 \frac { 2 } { 3 } \right) + \left( - 9 \frac { 5 } { 6 } \right)$

Multiply. $( - 2 ) ( - 5 )$

Compute the value of the expression. $- 22 + ( - 2 ) + ( - 1 ) + 14$

Perform the indicated operation. $( - 9 ) - ( 5 )$

Find the larger number. $145,000 ; 92,433$

Compute the value of the expression. $+ 6 + ( - 7 )$

Express the number in decimal form. $9.1 \times 10 ^ { - 5 }$

Perform the indicated operation. $( - 5 ) - ( + 8 )$

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

Compute the value of the expression. 7+(−7)7 + ( - 7 )7+(−7)

Perform the indicated operation. (−3)−(−5)−(+4)( - 3 ) - ( - 5 ) - ( + 4 )(−3)−(−5)−(+4)

Multiply. (−6)(0)( - 6 ) ( 0 )(−6)(0)

Find the larger number. 0.000038;0.000490.000038 ; 0.000490.000038;0.00049

Perform the indicated operation. (−3)−(+6)+(−15)−(−10)−(+13)( - 3 ) - ( + 6 ) + ( - 15 ) - ( - 10 ) - ( + 13 )(−3)−(+6)+(−15)−(−10)−(+13)

Perform the indicated operation. (+4)−(−8)−(+10)+(−13)( + 4 ) - ( - 8 ) - ( + 10 ) + ( - 13 )(+4)−(−8)−(+10)+(−13)

Add. +3+ 3+3 +4+ 4+4

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. (109)310−8\frac { \left( 10 ^ { 9 } \right) ^ { 3 } } { 10 ^ { - 8 } }10−8(109)3​

Find the smaller number. 0.001 or 0.0007

Multiply. (−9)(−15)( - 9 ) ( - 15 )(−9)(−15)

Add. 1+2+(−1)+9+(−5)1 + 2 + ( - 1 ) + 9 + ( - 5 )1+2+(−1)+9+(−5)

Multiply. (56)(66)( 56 ) ( 66 )(56)(66)

Perform the indicated operations and simplify. (−34)−(−923)+(−956)\left( - \frac { 3 } { 4 } \right) - \left( - 9 \frac { 2 } { 3 } \right) + \left( - 9 \frac { 5 } { 6 } \right)(−43​)−(−932​)+(−965​)

Multiply. (−2)(−5)( - 2 ) ( - 5 )(−2)(−5)

Compute the value of the expression. −22+(−2)+(−1)+14- 22 + ( - 2 ) + ( - 1 ) + 14−22+(−2)+(−1)+14

Perform the indicated operation. (−9)−(5)( - 9 ) - ( 5 )(−9)−(5)

Find the larger number. 145,000;92,433145,000 ; 92,433145,000;92,433

Compute the value of the expression. +6+(−7)+ 6 + ( - 7 )+6+(−7)

Express the number in decimal form. 9.1×10−59.1 \times 10 ^ { - 5 }9.1×10−5

Perform the indicated operation. (−5)−(+8)( - 5 ) - ( + 8 )(−5)−(+8)

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

Compute the value of the expression. $7 + ( - 7 )$

Perform the indicated operation. $( - 3 ) - ( - 5 ) - ( + 4 )$

Multiply. $( - 6 ) ( 0 )$

Find the larger number. $0.000038 ; 0.00049$

Perform the indicated operation. $( - 3 ) - ( + 6 ) + ( - 15 ) - ( - 10 ) - ( + 13 )$

Perform the indicated operation. $( + 4 ) - ( - 8 ) - ( + 10 ) + ( - 13 )$

Add. $+ 3$ $+ 4$

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $\frac { \left( 10 ^ { 9 } \right) ^ { 3 } } { 10 ^ { - 8 } }$

Multiply. $( - 9 ) ( - 15 )$

Add. $1 + 2 + ( - 1 ) + 9 + ( - 5 )$

Multiply. $( 56 ) ( 66 )$

Perform the indicated operations and simplify. $\left( - \frac { 3 } { 4 } \right) - \left( - 9 \frac { 2 } { 3 } \right) + \left( - 9 \frac { 5 } { 6 } \right)$

Multiply. $( - 2 ) ( - 5 )$

Compute the value of the expression. $- 22 + ( - 2 ) + ( - 1 ) + 14$

Perform the indicated operation. $( - 9 ) - ( 5 )$

Find the larger number. $145,000 ; 92,433$

Compute the value of the expression. $+ 6 + ( - 7 )$

Express the number in decimal form. $9.1 \times 10 ^ { - 5 }$

Perform the indicated operation. $( - 5 ) - ( + 8 )$