Question 1

Divide. $\frac { 252 } {18}$

Accepted Answer

A)  15 
B)  13 
C)  14 
D)  28 
E)  24 
A)  15 
B)  13 
C)  14 
D)  28 
E)  24

Question 2

Subtract. $( + 7 ) - ( + 9 )$

Accepted Answer

A)  -2 
B)  16 
C)  2 
D)  3 
E)  -3 
A)  -2 
B)  16 
C)  2 
D)  3 
E)  -3

Question 3

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

Accepted Answer

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

Question 4

Multiply. $( - 2 ) ( - 17 )$

Accepted Answer

A)  32 
B)  -34 
C)  -32 
D)  34 
E)  37 
A)  32 
B)  -34 
C)  -32 
D)  34 
E)  37

Question 5

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

Accepted Answer

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

Question 6

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

Accepted Answer

A)  $102$ 
B)  $10 ^ { 10 }$ 
C)  $\frac { 1 } { 10 ^ { 14 } }$ 
D)  $\frac { 1 } { 10 ^ { 10 } }$ 
E)  $10 ^ { 14 }$ 
A)  $102$ 
B)  $10 ^ { 10 }$ 
C)  $\frac { 1 } { 10 ^ { 14 } }$ 
D)  $\frac { 1 } { 10 ^ { 10 } }$ 
E)  $10 ^ { 14 }$

Question 7

Perform the indicated operations and simplify. $\left( - 3 \frac { 5 } { 7 } \right) \div \left( - 5 \frac { 3 } { 7 } \right)$

Accepted Answer

A)  $1 \frac { 6 } { 13 }$ 
B)  $- 1 \frac { 9 } { 13 }$ 
C)  $\frac { 8 } { 49 }$ 
D)  $\frac { 13 } { 19 }$ 
E)  $- 1 \frac { 6 } { 13 }$ 
A)  $1 \frac { 6 } { 13 }$ 
B)  $- 1 \frac { 9 } { 13 }$ 
C)  $\frac { 8 } { 49 }$ 
D)  $\frac { 13 } { 19 }$ 
E)  $- 1 \frac { 6 } { 13 }$

Question 8

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

Accepted Answer

A)  $10 ^ { 72 }$ 
B)  $\frac { 1 } { 10 ^ { 7 } }$ 
C)  $\frac { 1 } { 10 ^ { 13 } }$ 
D)  $10 ^ { 13 }$ 
E)  $10 ^ { 7 }$ 
A)  $10 ^ { 72 }$ 
B)  $\frac { 1 } { 10 ^ { 7 } }$ 
C)  $\frac { 1 } { 10 ^ { 13 } }$ 
D)  $10 ^ { 13 }$ 
E)  $10 ^ { 7 }$

Question 9

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

Accepted Answer

A)  $\frac { 1 } { 10 ^ { 22 } }$ 
B)  $10 ^ { 3 }$ 
C)  $10 ^ { 6 }$ 
D)  $\frac { 1 } { 10 ^ { 3 } }$ 
E)  $10 ^ { 22 }$ 
A)  $\frac { 1 } { 10 ^ { 22 } }$ 
B)  $10 ^ { 3 }$ 
C)  $10 ^ { 6 }$ 
D)  $\frac { 1 } { 10 ^ { 3 } }$ 
E)  $10 ^ { 22 }$

Question 10

Write the number in decimal form. $9.2 \times 10 ^ { - 3 }$

Accepted Answer

The answer of Write the number in decimal form. \(9.2...

Question 11

Find the larger number. $0.000041 ; 0.00069$

Accepted Answer

The answer of Find the larger number. $0.000041 ; 0.00069$...

Question 12

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

Accepted Answer

A)  400,000,000,000 
B)  40,000,000,000 
C)  4,000,000,000 
D)  40,000,000 
E)  4,000,000,000,000 
A)  400,000,000,000 
B)  40,000,000,000 
C)  4,000,000,000 
D)  40,000,000 
E)  4,000,000,000,000

Question 13

Subtract. $( + 15 ) - ( - 7 )$

Accepted Answer

The answer of Subtract. \(( + 15 ) - (...

Question 14

Find the sum.   $- 10$ $ \underline { \quad - 17\quad }$

Accepted Answer

A)  -27 
B)  -7 
C)  -24 
D)  7 
E)  -37 
A)  -27 
B)  -7 
C)  -24 
D)  7 
E)  -37

Question 15

Divide. $( - 68 ) \div ( + 17 )$

Accepted Answer

The answer of Divide. \(( - 68 ) \div (...

Question 16

Do the addition. Simplify the result when possible. $6 \frac { 1 } { 40 } + \frac { 7 } { 40 }$

Accepted Answer

A)  $6 \frac { 20 } { 20 }$ 
B)  $6 \frac { 3 } { 7 }$ 
C)  $6 \frac { 1 } { 35 }$ 
D)  $6 \frac { 1 } { 5 }$ 
E)  $6 \frac { 7 } { 3 }$ 
A)  $6 \frac { 20 } { 20 }$ 
B)  $6 \frac { 3 } { 7 }$ 
C)  $6 \frac { 1 } { 35 }$ 
D)  $6 \frac { 1 } { 5 }$ 
E)  $6 \frac { 7 } { 3 }$

Question 17

Subtract. $( - 1 ) - ( - 5 )$

Accepted Answer

A)  -4 
B)  3 
C)  -6 
D)  -3 
E)  4 
A)  -4 
B)  3 
C)  -6 
D)  -3 
E)  4

Question 18

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

Accepted Answer

A)  $1 \frac { 1 } { 5 }$ 
B)  $1 \frac { 2 } { 9 }$ 
C)  $1 \frac { 5 } { 2 }$ 
D)  $1 \frac { 2 } { 11 }$ 
E)  $1 \frac { 1 } { 4 }$ 
A)  $1 \frac { 1 } { 5 }$ 
B)  $1 \frac { 2 } { 9 }$ 
C)  $1 \frac { 5 } { 2 }$ 
D)  $1 \frac { 2 } { 11 }$ 
E)  $1 \frac { 1 } { 4 }$

Question 19

Add. $( - 8 ) + 2 + ( - 1 ) + 3 + ( - 5 )$

Accepted Answer

The answer of Add. \(( - 8 ) + 2...

Question 20

Write the following number in scientific notation.
355 $\underline { \quad\quad\quad\quad    } $×$\underline { \quad\quad\quad\quad    } $-

Accepted Answer

The answer of Write the following number in scientific notation.
355...

Divide. $\frac { 252 } {18}$

Subtract. $( + 7 ) - ( + 9 )$

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

Multiply. $( - 2 ) ( - 17 )$

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

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

Perform the indicated operations and simplify. $\left( - 3 \frac { 5 } { 7 } \right) \div \left( - 5 \frac { 3 } { 7 } \right)$

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

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

Write the number in decimal form. $9.2 \times 10 ^ { - 3 }$

Find the larger number. $0.000041 ; 0.00069$

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

Subtract. $( + 15 ) - ( - 7 )$

Find the sum. $- 10$ $\underline { \quad - 17\quad }$

Divide. $( - 68 ) \div ( + 17 )$

Do the addition. Simplify the result when possible. $6 \frac { 1 } { 40 } + \frac { 7 } { 40 }$

Subtract. $( - 1 ) - ( - 5 )$

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

Add. $( - 8 ) + 2 + ( - 1 ) + 3 + ( - 5 )$

Write the following number in scientific notation. 355 $\underline { \quad\quad\quad\quad }$ × $\underline { \quad\quad\quad\quad }$ -

Basic Concepts

The Metric System

Measurement

Polynomials: an Introduction to Algebra

Equations and Formulas

Ratio and Proportion

Graphing Linear Equations

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Exam 2: Signed Numbers and Powers of 10

Divide. 25218\frac { 252 } {18}18252​

Subtract. (+7)−(+9)( + 7 ) - ( + 9 )(+7)−(+9)

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

Multiply. (−2)(−17)( - 2 ) ( - 17 )(−2)(−17)

Perform the indicated operations and simplify. (−68)−(−5)\left( \frac { - 6 } { 8 } \right) - ( - 5 )(8−6​)−(−5)

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. 102⋅10−6⋅10−610 ^ { 2 } \cdot 10 ^ { - 6 } \cdot 10 ^ { - 6 }102⋅10−6⋅10−6

Perform the indicated operations and simplify. (−357)÷(−537)\left( - 3 \frac { 5 } { 7 } \right) \div \left( - 5 \frac { 3 } { 7 } \right)(−375​)÷(−573​)

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. 10−6⋅10−4⋅10310 ^ { - 6 } \cdot 10 ^ { - 4 } \cdot 10 ^ { 3 }10−6⋅10−4⋅103

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. (10−3)7104⋅10−3\frac { \left( 10 ^ { - 3 } \right) ^ { 7 } } { 10 ^ { 4 } \cdot 10 ^ { - 3 } }104⋅10−3(10−3)7​

Write the number in decimal form. 9.2×10−39.2 \times 10 ^ { - 3 }9.2×10−3

Find the larger number. 0.000041;0.000690.000041 ; 0.000690.000041;0.00069

Write the number in decimal form. 4×10104 \times 10 ^ { 10 }4×1010

Subtract. (+15)−(−7)( + 15 ) - ( - 7 )(+15)−(−7)

Find the sum. −10- 10−10 −17‾ \underline { \quad - 17\quad }−17​

Divide. (−68)÷(+17)( - 68 ) \div ( + 17 )(−68)÷(+17)

Do the addition. Simplify the result when possible. 6140+7406 \frac { 1 } { 40 } + \frac { 7 } { 40 }6401​+407​

Subtract. (−1)−(−5)( - 1 ) - ( - 5 )(−1)−(−5)

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

Add. (−8)+2+(−1)+3+(−5)( - 8 ) + 2 + ( - 1 ) + 3 + ( - 5 )(−8)+2+(−1)+3+(−5)

Write the following number in scientific notation. 355 ‾\underline { \quad\quad\quad\quad } ​ × ‾\underline { \quad\quad\quad\quad } ​ -

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. $\frac { 252 } {18}$

Subtract. $( + 7 ) - ( + 9 )$

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

Multiply. $( - 2 ) ( - 17 )$

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

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

Perform the indicated operations and simplify. $\left( - 3 \frac { 5 } { 7 } \right) \div \left( - 5 \frac { 3 } { 7 } \right)$

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

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

Write the number in decimal form. $9.2 \times 10 ^ { - 3 }$

Find the larger number. $0.000041 ; 0.00069$

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

Subtract. $( + 15 ) - ( - 7 )$

Find the sum. $- 10$ $\underline { \quad - 17\quad }$

Divide. $( - 68 ) \div ( + 17 )$

Do the addition. Simplify the result when possible. $6 \frac { 1 } { 40 } + \frac { 7 } { 40 }$

Subtract. $( - 1 ) - ( - 5 )$

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

Add. $( - 8 ) + 2 + ( - 1 ) + 3 + ( - 5 )$

Write the following number in scientific notation. 355 $\underline { \quad\quad\quad\quad }$ × $\underline { \quad\quad\quad\quad }$ -