AnswersAlgebra IINegative Exponents

Negative Exponents — Quiz Answers

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Which expression is equivalent to open paren 2 cubed close paren to the negative 5 power ?

A
the fraction with numerator 1 and denominator 2 to the 15th power
B
2 to the 8th power
C
2 to the 15th power
D
the fraction with numerator 1 and denominator 2 to the 8th power
3

Describe how open paren 2 cubed close paren times open paren 2 to the negative 4 power close paren can be simplified.

A
Keep the same base and add the exponents. Then multiply by negative 1 .
B
Multiply the bases and add the exponents. Then find the reciprocal and change the sign of the exponent.
C
Add the exponents and keep the same base. Then find the reciprocal and change the sign of the exponent.
D
Keep the base and multiply the exponents. Then multiply by negative 1 .
4

Which expression is equivalent to 9 to the negative 2 power ?

A
1 over 18
B
1 over 81
C
negative 81
D
negative 18
5

Which expression is equivalent to 3 A to the negative 2 power ?

A
the fraction with numerator 1 and denominator 9 A squared
B
the fraction with numerator 3 and denominator A squared
C
the fraction with numerator 1 and denominator 3 A squared
D
the fraction with numerator 9 and denominator A squared
6

Which expression is equivalent to open paren 1 over 16 close paren to the negative 4 power ?

A
4th root of 1 over 16
B
16 to the 4th power
C
negative open paren 1 over 16 close paren to the negative 4 power
D
negative 16 to the 4th power
7

Describe how to simplify the expression the fraction with numerator 3 to the negative 6 power and denominator 3 to the negative 4 power

A
Keep the base the same and then add the exponents.
B
Keep the base the same and then subtract the exponents.
C
Multiply the bases and then subtract the exponents.
D
Divide the bases and then add the exponents.
8

Which expression is equivalent to 6 to the negative 3 power ?

A
negative 6 cubed
B
3 to the 6th power
C
cube root of 6
D
1 sixth cubed

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