Question 1

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $10 ^ { 3 } \div 10 ^ { - 5 }$

Accepted Answer

A)  $10 ^ { 2 }$ 
B)  $10 ^ { 11 }$ 
C)  $\frac { 1 } { 10 ^ { 15 } }$ 
D)  $10 ^ { 8 }$ 
E)  $\frac { 1 } { 10 ^ { 2 } }$ 
A)  $10 ^ { 2 }$ 
B)  $10 ^ { 11 }$ 
C)  $\frac { 1 } { 10 ^ { 15 } }$ 
D)  $10 ^ { 8 }$ 
E)  $\frac { 1 } { 10 ^ { 2 } }$

Question 2

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

Accepted Answer

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

Question 3

Divide. $( - 112 ) \div ( + 14 )$

Accepted Answer

A)  -7 
B)  5 
C)  -8 
D)  -6 
E)  6 
A)  -7 
B)  5 
C)  -8 
D)  -6 
E)  6

Question 4

Perform the indicated operations and simplify. $\frac { 1 } { 16 } + \left( - \frac { 9 } { 32 } \right)$

Accepted Answer

A)  $\frac { 1 } { 2 }$ 
B)  $- \frac { 9 } { 512 }$ 
C)  $- \frac { 11 } { 32 }$ 
D)  $- \frac { 7 } { 32 }$ 
E)  $\frac { 11 } { 32 }$ 
A)  $\frac { 1 } { 2 }$ 
B)  $- \frac { 9 } { 512 }$ 
C)  $- \frac { 11 } { 32 }$ 
D)  $- \frac { 7 } { 32 }$ 
E)  $\frac { 11 } { 32 }$

Question 5

Perform the indicated operation. (Write the result in scientific notation with the decimal part rounded to three significant digits when necessary). $\left( 5.4 \times 10 ^ { - 6 } \right) \left( 1.8 \times 10 ^ { - 6 } \right) \left( 4.2 \times 10 ^ { 7 } \right)$

Accepted Answer

A)  $4.082 \times 10 ^ { 3 }$ 
B)  $4.08 \times 10 ^ { - 3 }$ 
C)  $4.082 \times 10 ^ { 4 }$ 
D)  $4.07 \times 10 ^ { - 3 }$ 
E)  $4.08 \times 10 ^ { - 4 }$ 
A)  $4.082 \times 10 ^ { 3 }$ 
B)  $4.08 \times 10 ^ { - 3 }$ 
C)  $4.082 \times 10 ^ { 4 }$ 
D)  $4.07 \times 10 ^ { - 3 }$ 
E)  $4.08 \times 10 ^ { - 4 }$

Question 6

Perform the indicated operation. $\frac { 13,000,000 } { 470,000 }$

Accepted Answer

A)  $0.28 \times 10 ^ { 2 }$ 
B)  $4.89 \times 10 ^ { 10 }$ 
C)  $2.77 \times 10 ^ { 1 }$ 
D)  $2.31 \times 10 ^ { 2 }$ 
E)  $3.34 \times 10 ^ { 1 }$ 
A)  $0.28 \times 10 ^ { 2 }$ 
B)  $4.89 \times 10 ^ { 10 }$ 
C)  $2.77 \times 10 ^ { 1 }$ 
D)  $2.31 \times 10 ^ { 2 }$ 
E)  $3.34 \times 10 ^ { 1 }$

Question 7

Multiply. (+8)(+3)

Accepted Answer

A)  19 
B)  21 
C)  24 
D)  25 
A)  19 
B)  21 
C)  24 
D)  25

Question 8

Find the sum. $- 12$ $ \underline { \quad - 17\quad}$

Accepted Answer

The answer of Find the sum. $- 12$ \( \underline...

Question 9

Compute the value of the expression. $- 23 + ( - 26 )$

Accepted Answer

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

Question 10

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

Accepted Answer

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

Question 11

Perform the indicated operation. $( - 3 ) - ( + 2 )$

Accepted Answer

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

Question 12

Perform the indicated operation. $( + 5 ) - ( - 4 ) - ( - 1 )$

Accepted Answer

A)  10 
B)  7 
C)  -8 
D)  8 
E)  -7 
A)  10 
B)  7 
C)  -8 
D)  8 
E)  -7

Question 13

Perform the indicated operations and simplify. $\left( \frac { - 8 } { 9 } \right) + \left( - \frac { 1 } { 4 } \right) \left( \frac { 5 } { - 6 } \right)$

Accepted Answer

A)  $\frac { 149 } { 216 }$ 
B)  $- \frac { 65 } { 72 }$ 
C)  $- \frac { 73 } { 108 }$ 
D)  $\frac { 37 } { 54 }$ 
E)  $- \frac { 49 } { 72 }$ 
A)  $\frac { 149 } { 216 }$ 
B)  $- \frac { 65 } { 72 }$ 
C)  $- \frac { 73 } { 108 }$ 
D)  $\frac { 37 } { 54 }$ 
E)  $- \frac { 49 } { 72 }$

Question 14

Express the number in decimal form. $6.7 \times 10 ^ { - 4 }$

Accepted Answer

The answer of Express the number in decimal form. \(6.7...

Question 15

Find the sum. $- 60$ $ \underline {\quad  25 \quad }$

Accepted Answer

A)  -37 
B)  35 
C)  -35 
D)  25 
E)  -25 
A)  -37 
B)  35 
C)  -35 
D)  25 
E)  -25

Question 16

Perform the indicated operations and simplify. $\left( \frac { - 2 } { 5 } \right) \left( \frac { 1 } { - 4 } \right) \left( \frac { - 5 } { - 2 } \right)$

Accepted Answer

A)  $6 \frac { 3 } { 4 }$ 
B)  $\frac { 1 } { 4 }$ 
C)  $\frac { 2 } { 3 }$ 
D)  $\frac { 3 } { 4 }$ 
E)  $\frac { 1 } { 5 }$ 
A)  $6 \frac { 3 } { 4 }$ 
B)  $\frac { 1 } { 4 }$ 
C)  $\frac { 2 } { 3 }$ 
D)  $\frac { 3 } { 4 }$ 
E)  $\frac { 1 } { 5 }$

Question 17

Perform the indicated operation. $- 2 + 2 - 6 + 8 - 9$

Accepted Answer

The answer of Perform the indicated operation. \(- 2 +...

Question 18

Multiply. $( + 6 ) ( + 5 )$

Accepted Answer

The answer of Multiply. \(( + 6 ) ( +...

Question 19

Divide. $\frac { - 50} { -5}$

Accepted Answer

A)  -10 
B)  10 
C)  -5 
D)  -50 
E)  5 
A)  -10 
B)  10 
C)  -5 
D)  -50 
E)  5

Question 20

Find the smaller number. 0.00699 or 0.0239

Accepted Answer

A)  0.0239 
B)  0.00699 
C)  They are equal. 
A)  0.0239 
B)  0.00699 
C)  They are equal.

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $10 ^ { 3 } \div 10 ^ { - 5 }$

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

Divide. $( - 112 ) \div ( + 14 )$

Perform the indicated operations and simplify. $\frac { 1 } { 16 } + \left( - \frac { 9 } { 32 } \right)$

Perform the indicated operation. (Write the result in scientific notation with the decimal part rounded to three significant digits when necessary). $\left( 5.4 \times 10 ^ { - 6 } \right) \left( 1.8 \times 10 ^ { - 6 } \right) \left( 4.2 \times 10 ^ { 7 } \right)$

Perform the indicated operation. $\frac { 13,000,000 } { 470,000 }$

Multiply. (+8)(+3)

Find the sum. $- 12$ $\underline { \quad - 17\quad}$

Compute the value of the expression. $- 23 + ( - 26 )$

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

Perform the indicated operation. $( - 3 ) - ( + 2 )$

Perform the indicated operation. $( + 5 ) - ( - 4 ) - ( - 1 )$

Perform the indicated operations and simplify. $\left( \frac { - 8 } { 9 } \right) + \left( - \frac { 1 } { 4 } \right) \left( \frac { 5 } { - 6 } \right)$

Express the number in decimal form. $6.7 \times 10 ^ { - 4 }$

Find the sum. $- 60$ $\underline {\quad 25 \quad }$

Perform the indicated operations and simplify. $\left( \frac { - 2 } { 5 } \right) \left( \frac { 1 } { - 4 } \right) \left( \frac { - 5 } { - 2 } \right)$

Perform the indicated operation. $- 2 + 2 - 6 + 8 - 9$

Multiply. $( + 6 ) ( + 5 )$

Divide. $\frac { - 50} { -5}$

Find the smaller number. 0.00699 or 0.0239

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

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Exam 2: Signed Numbers and Powers of 10

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. 103÷10−510 ^ { 3 } \div 10 ^ { - 5 }103÷10−5

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

Divide. (−112)÷(+14)( - 112 ) \div ( + 14 )(−112)÷(+14)

Perform the indicated operations and simplify. 116+(−932)\frac { 1 } { 16 } + \left( - \frac { 9 } { 32 } \right)161​+(−329​)

Perform the indicated operation. 13,000,000470,000\frac { 13,000,000 } { 470,000 }470,00013,000,000​

Multiply. (+8)(+3)

Find the sum. −12- 12−12 −17‾ \underline { \quad - 17\quad}−17​

Compute the value of the expression. −23+(−26)- 23 + ( - 26 )−23+(−26)

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. (103)−3\left( 10 ^ { 3 } \right) ^ { - 3 }(103)−3

Perform the indicated operation. (−3)−(+2)( - 3 ) - ( + 2 )(−3)−(+2)

Perform the indicated operation. (+5)−(−4)−(−1)( + 5 ) - ( - 4 ) - ( - 1 )(+5)−(−4)−(−1)

Perform the indicated operations and simplify. (−89)+(−14)(5−6)\left( \frac { - 8 } { 9 } \right) + \left( - \frac { 1 } { 4 } \right) \left( \frac { 5 } { - 6 } \right)(9−8​)+(−41​)(−65​)

Express the number in decimal form. 6.7×10−46.7 \times 10 ^ { - 4 }6.7×10−4

Find the sum. −60- 60−60 25‾ \underline {\quad 25 \quad }25​

Perform the indicated operations and simplify. (−25)(1−4)(−5−2)\left( \frac { - 2 } { 5 } \right) \left( \frac { 1 } { - 4 } \right) \left( \frac { - 5 } { - 2 } \right)(5−2​)(−41​)(−2−5​)

Perform the indicated operation. −2+2−6+8−9- 2 + 2 - 6 + 8 - 9−2+2−6+8−9

Multiply. (+6)(+5)( + 6 ) ( + 5 )(+6)(+5)

Divide. −50−5\frac { - 50} { -5}−5−50​

Find the smaller number. 0.00699 or 0.0239

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 operations using the laws of exponents. Express the result using positive exponents. $10 ^ { 3 } \div 10 ^ { - 5 }$

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

Divide. $( - 112 ) \div ( + 14 )$

Perform the indicated operations and simplify. $\frac { 1 } { 16 } + \left( - \frac { 9 } { 32 } \right)$

Perform the indicated operation. $\frac { 13,000,000 } { 470,000 }$

Find the sum. $- 12$ $\underline { \quad - 17\quad}$

Compute the value of the expression. $- 23 + ( - 26 )$

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

Perform the indicated operation. $( - 3 ) - ( + 2 )$

Perform the indicated operation. $( + 5 ) - ( - 4 ) - ( - 1 )$

Perform the indicated operations and simplify. $\left( \frac { - 8 } { 9 } \right) + \left( - \frac { 1 } { 4 } \right) \left( \frac { 5 } { - 6 } \right)$

Express the number in decimal form. $6.7 \times 10 ^ { - 4 }$

Find the sum. $- 60$ $\underline {\quad 25 \quad }$

Perform the indicated operations and simplify. $\left( \frac { - 2 } { 5 } \right) \left( \frac { 1 } { - 4 } \right) \left( \frac { - 5 } { - 2 } \right)$

Perform the indicated operation. $- 2 + 2 - 6 + 8 - 9$

Multiply. $( + 6 ) ( + 5 )$

Divide. $\frac { - 50} { -5}$