Question 1

Write 6,000 in scientific notation.

Accepted Answer

A)  $6 \times 10 ^ { 2 }$ 
B)  $60 \times 10 ^ { 4 }$ 
C)  $60 \times 10 ^ { 3 }$ 
D)  $6 \times 10 ^ { 4 }$ 
E)  $6 \times 10 ^ { 3 }$ 
A)  $6 \times 10 ^ { 2 }$ 
B)  $60 \times 10 ^ { 4 }$ 
C)  $60 \times 10 ^ { 3 }$ 
D)  $6 \times 10 ^ { 4 }$ 
E)  $6 \times 10 ^ { 3 }$

Question 2

Perform the indicated operation. (Write the result in scientific notation with the decimal part rounded to three significant digits when necessary). $\left( \frac { 41,000 \times 0.015075 } { 0.0067 } \right) ^ { 2 }$

Accepted Answer

A)  $8.511 \times 10 ^ { - 8 }$ 
B)  $8.511 \times 10 ^ { - 9 }$ 
C)  $8.511 \times 10 ^ { 9 }$ 
D)  $8.51 \times 10 ^ { 8 }$ 
E)  $8.51 \times 10 ^ { 9 }$ 
A)  $8.511 \times 10 ^ { - 8 }$ 
B)  $8.511 \times 10 ^ { - 9 }$ 
C)  $8.511 \times 10 ^ { 9 }$ 
D)  $8.51 \times 10 ^ { 8 }$ 
E)  $8.51 \times 10 ^ { 9 }$

Question 3

Perform the indicated operation. $2 - 9 + 2 - 8 - 3 + 2$

Accepted Answer

The answer of Perform the indicated operation. \(2 - 9...

Question 4

Perform the indicated operation. $( 12 ) - ( - 9 )$

Accepted Answer

The answer of Perform the indicated operation. \(( 12 )...

Question 5

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

Accepted Answer

A)  $\frac { 1 } { 10 ^ { 9 } }$ 
B)  $10 ^ { 27 }$ 
C)  $\frac { 1 } { 10 ^ { 5 } }$ 
D)  $10 ^ { 9 }$ 
E)  $\frac { 1 } { 10 ^ { 27 } }$ 
A)  $\frac { 1 } { 10 ^ { 9 } }$ 
B)  $10 ^ { 27 }$ 
C)  $\frac { 1 } { 10 ^ { 5 } }$ 
D)  $10 ^ { 9 }$ 
E)  $\frac { 1 } { 10 ^ { 27 } }$

Question 6

Multiply. $2 ( - 4 )$

Accepted Answer

A)  -3 
B)  8 
C)  -8 
D)  -10 
E)  10 
A)  -3 
B)  8 
C)  -8 
D)  -10 
E)  10

Question 7

Write the number in scientific notation.
0.00063 $\underline { \quad\quad\quad\quad    } $×$\underline { \quad\quad\quad\quad    } $-

Accepted Answer

The answer of Write the number in scientific notation.
0.00063 \(\underline...

Question 8

Divide. $\frac { - 114 } { - 19 }$

Accepted Answer

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

Question 9

Perform the indicated operations and simplify. $\left( \frac { - 3 } { 8 } \right) \times \left( - 3 \frac { 1 } { 5 } \right)$

Accepted Answer

A)  $1 \frac { 1 } { 5 }$ 
B)  $2 \frac { 1 } { 7 }$ 
C)  $3 \frac { 1 } { 5 }$ 
D)  $1 \frac { 1 } { 6 }$ 
E)  $1 \frac { 1 } { 7 }$ 
A)  $1 \frac { 1 } { 5 }$ 
B)  $2 \frac { 1 } { 7 }$ 
C)  $3 \frac { 1 } { 5 }$ 
D)  $1 \frac { 1 } { 6 }$ 
E)  $1 \frac { 1 } { 7 }$

Question 10

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

Accepted Answer

A)  $\frac { 1 } { 3 }$ 
B)  $- \frac { 21 } { 22 }$ 
C)  $\frac { 4 } { 21 }$ 
D)  $- \frac { 20 } { 21 }$ 
E)  $- \frac { 22 } { 23 }$ 
A)  $\frac { 1 } { 3 }$ 
B)  $- \frac { 21 } { 22 }$ 
C)  $\frac { 4 } { 21 }$ 
D)  $- \frac { 20 } { 21 }$ 
E)  $- \frac { 22 } { 23 }$

Question 11

Multiply. $9 ( - 10 )$

Accepted Answer

The answer of Multiply. $9 ( - 10 )$...

Question 12

Add. $8 + 1 + ( - 7 ) + 4 + ( - 1 )$

Accepted Answer

A)  19 
B)  2 
C)  6 
D)  3 
E)  5 
A)  19 
B)  2 
C)  6 
D)  3 
E)  5

Question 13

Write the number in scientific notation.
0.0000025 $\underline { \quad\quad\quad\quad    } $×$\underline { \quad\quad\quad\quad    } $-

Accepted Answer

The answer of Write the number in scientific notation.
0.0000025 \(\underline...

Question 14

Perform the indicated operation. $1 + 3 - 9 - 6 + 4$

Accepted Answer

A)  9 
B)  8 
C)  7 
D)  -8 
E)  -7 
A)  9 
B)  8 
C)  7 
D)  -8 
E)  -7

Question 15

Divide. $( - 128 ) \div ( - 8 )$

Accepted Answer

A)  14 
B)  -14 
C)  -16 
D)  16 
E)  19 
A)  14 
B)  -14 
C)  -16 
D)  16 
E)  19

Question 16

Perform the indicated operation. $- 1 + 6 - 6 - 2 + 6 - 6 - 1$

Accepted Answer

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

Question 17

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $10 ^ { 4 } \cdot 10 ^ { 4 } \cdot 10 ^ { - 2 } \cdot 10 ^ { 3 }$

Accepted Answer

A)  $10 ^ { 9 }$ 
B)  $\frac { 1 } { 10 ^ { 9 } }$ 
C)  $10 ^ { 96 }$ 
D)  $10 ^ { 46 }$ 
E)  $\frac { 1 } { 10 ^ { 96 } }$ 
A)  $10 ^ { 9 }$ 
B)  $\frac { 1 } { 10 ^ { 9 } }$ 
C)  $10 ^ { 96 }$ 
D)  $10 ^ { 46 }$ 
E)  $\frac { 1 } { 10 ^ { 96 } }$

Question 18

Perform the indicated operation. $( + 30 ) - ( - 40 )$

Accepted Answer

The answer of Perform the indicated operation. \(( + 30...

Question 19

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $\frac { 10 ^ { 4 } \cdot 10 ^ { - 6 } \cdot 10 ^ { 9 } \cdot 10 ^ { 0 } } { 10 ^ { 4 } \cdot 10 ^ { - 17 } \cdot 10 ^ { 8 } }$

Accepted Answer

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

Question 20

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

Accepted Answer

A)  $- \frac { 9 } { 20 }$ 
B)  $\frac { 4 } { 7 }$ 
C)  $\frac { 4 } { 5 }$ 
D)  $- \frac { 7 } { 10 }$ 
E)  $\frac { 1 } { 10 }$ 
A)  $- \frac { 9 } { 20 }$ 
B)  $\frac { 4 } { 7 }$ 
C)  $\frac { 4 } { 5 }$ 
D)  $- \frac { 7 } { 10 }$ 
E)  $\frac { 1 } { 10 }$

Write 6,000 in scientific notation.

Perform the indicated operation. (Write the result in scientific notation with the decimal part rounded to three significant digits when necessary). $\left( \frac { 41,000 \times 0.015075 } { 0.0067 } \right) ^ { 2 }$

Perform the indicated operation. $2 - 9 + 2 - 8 - 3 + 2$

Perform the indicated operation. $( 12 ) - ( - 9 )$

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

Multiply. $2 ( - 4 )$

Write the number in scientific notation. 0.00063 $\underline { \quad\quad\quad\quad }$ × $\underline { \quad\quad\quad\quad }$ -

Divide. $\frac { - 114 } { - 19 }$

Perform the indicated operations and simplify. $\left( \frac { - 3 } { 8 } \right) \times \left( - 3 \frac { 1 } { 5 } \right)$

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

Multiply. $9 ( - 10 )$

Add. $8 + 1 + ( - 7 ) + 4 + ( - 1 )$

Write the number in scientific notation. 0.0000025 $\underline { \quad\quad\quad\quad }$ × $\underline { \quad\quad\quad\quad }$ -

Perform the indicated operation. $1 + 3 - 9 - 6 + 4$

Divide. $( - 128 ) \div ( - 8 )$

Perform the indicated operation. $- 1 + 6 - 6 - 2 + 6 - 6 - 1$

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $10 ^ { 4 } \cdot 10 ^ { 4 } \cdot 10 ^ { - 2 } \cdot 10 ^ { 3 }$

Perform the indicated operation. $( + 30 ) - ( - 40 )$

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $\frac { 10 ^ { 4 } \cdot 10 ^ { - 6 } \cdot 10 ^ { 9 } \cdot 10 ^ { 0 } } { 10 ^ { 4 } \cdot 10 ^ { - 17 } \cdot 10 ^ { 8 } }$

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

Basic Concepts

The Metric System

Measurement

Polynomials: an Introduction to Algebra

Equations and Formulas

Ratio and Proportion

Graphing Linear Equations

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Factoring Algebraic Expressions

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Exam 2: Signed Numbers and Powers of 10

Write 6,000 in scientific notation.

Perform the indicated operation. (Write the result in scientific notation with the decimal part rounded to three significant digits when necessary). (41,000×0.0150750.0067)2\left( \frac { 41,000 \times 0.015075 } { 0.0067 } \right) ^ { 2 }(0.006741,000×0.015075​)2

Perform the indicated operation. 2−9+2−8−3+22 - 9 + 2 - 8 - 3 + 22−9+2−8−3+2

Perform the indicated operation. (12)−(−9)( 12 ) - ( - 9 )(12)−(−9)

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. (10−410−7)3\left( \frac { 10 ^ { - 4 } } { 10 ^ { - 7 } } \right) ^ { 3 }(10−710−4​)3

Multiply. 2(−4)2 ( - 4 )2(−4)

Write the number in scientific notation. 0.00063 ‾\underline { \quad\quad\quad\quad } ​ × ‾\underline { \quad\quad\quad\quad } ​ -

Divide. −114−19\frac { - 114 } { - 19 }−19−114​

Perform the indicated operations and simplify. (−38)×(−315)\left( \frac { - 3 } { 8 } \right) \times \left( - 3 \frac { 1 } { 5 } \right)(8−3​)×(−351​)

Perform the indicated operations and simplify. (−27)+(−23)\left( - \frac { 2 } { 7 } \right) + \left( - \frac { 2 } { 3 } \right)(−72​)+(−32​)

Multiply. 9(−10)9 ( - 10 )9(−10)

Add. 8+1+(−7)+4+(−1)8 + 1 + ( - 7 ) + 4 + ( - 1 )8+1+(−7)+4+(−1)

Write the number in scientific notation. 0.0000025 ‾\underline { \quad\quad\quad\quad } ​ × ‾\underline { \quad\quad\quad\quad } ​ -

Perform the indicated operation. 1+3−9−6+41 + 3 - 9 - 6 + 41+3−9−6+4

Divide. (−128)÷(−8)( - 128 ) \div ( - 8 )(−128)÷(−8)

Perform the indicated operation. −1+6−6−2+6−6−1- 1 + 6 - 6 - 2 + 6 - 6 - 1−1+6−6−2+6−6−1

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. 104⋅104⋅10−2⋅10310 ^ { 4 } \cdot 10 ^ { 4 } \cdot 10 ^ { - 2 } \cdot 10 ^ { 3 }104⋅104⋅10−2⋅103

Perform the indicated operation. (+30)−(−40)( + 30 ) - ( - 40 )(+30)−(−40)

Perform the indicated operations and simplify. (−12)+(1−5)\left( \frac { - 1 } { 2 } \right) + \left( \frac { 1 } { - 5 } \right)(2−1​)+(−51​)

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 operation. (Write the result in scientific notation with the decimal part rounded to three significant digits when necessary). $\left( \frac { 41,000 \times 0.015075 } { 0.0067 } \right) ^ { 2 }$

Perform the indicated operation. $2 - 9 + 2 - 8 - 3 + 2$

Perform the indicated operation. $( 12 ) - ( - 9 )$

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

Multiply. $2 ( - 4 )$

Write the number in scientific notation. 0.00063 $\underline { \quad\quad\quad\quad }$ × $\underline { \quad\quad\quad\quad }$ -

Divide. $\frac { - 114 } { - 19 }$

Perform the indicated operations and simplify. $\left( \frac { - 3 } { 8 } \right) \times \left( - 3 \frac { 1 } { 5 } \right)$

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

Multiply. $9 ( - 10 )$

Add. $8 + 1 + ( - 7 ) + 4 + ( - 1 )$

Write the number in scientific notation. 0.0000025 $\underline { \quad\quad\quad\quad }$ × $\underline { \quad\quad\quad\quad }$ -

Perform the indicated operation. $1 + 3 - 9 - 6 + 4$

Divide. $( - 128 ) \div ( - 8 )$

Perform the indicated operation. $- 1 + 6 - 6 - 2 + 6 - 6 - 1$

Perform the indicated operations using the laws of exponents. Express the result using positive exponents. $10 ^ { 4 } \cdot 10 ^ { 4 } \cdot 10 ^ { - 2 } \cdot 10 ^ { 3 }$

Perform the indicated operation. $( + 30 ) - ( - 40 )$

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