Question

Rewrite 5^-15 using a positive
exponent. Please explain as well :)

Answer 1

Answer:

$a^{-15} = \dfrac{1}{a^{15}}$

Step-by-step explanation:

Definition of negative exponent.

$a^{-n} = \dfrac{1}{a^n}$

This case:

$a^{-15} = \dfrac{1}{a^{15}}$

Answer 2

Rewriting negative exponent with positive exponent we get,

$5^{-15}=\frac{1}{5^{15}}$

Given :

$5^{-15}$ with negative exponent

To convert negative exponent to positive exponent we apply exponential property

$a^{-n}=\frac{1}{a^n}$

To make negative exponent to positive we take the exponent to the denominator

Apply the same property to write the given exponent using positive exponent

$5^{-15}=\frac{1}{5^{15}}$

Learn more:  brainly.com/question/16404573