Simplify the expression. Write the result using positive exponents only.
- $- 5 ^ { - 3 }$
A)125
B)-125
C) $\frac { 1 } { 15 }$
D) $- \frac { 1 } { 125 }$

Question

Simplify the expression. Write the result using positive exponents only.
-  $- 5 ^ { - 3 }$
A)125
B)-125
C) $\frac { 1 } { 15 }$
D) $- \frac { 1 } { 125 }$

Quizplus · Accepted Answer

A negative exponent means that the base (in this case, 5) is on the denominator of a fraction and the exponent is positive. So, $-5^{-3}$ simplifies to $-\frac{1}{5^3}$, which equals $-\frac{1}{125}$.

Simplify the Expression −5−3- 5 ^ { - 3 }−5−3 A)125 B)-125 C)

Simplify the Expression $- 5 ^ { - 3 }$ A)125
B)-125
C)