Question

Write each expression using positive exponents.

9^ -4

and

1/3^-5



please help​

Answer 1

• 1/9^4
• 3^5

Explanation:

The relevant rule is ...

a^-b = 1/a^b

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For the first problem, a=9, b=4, so you have ...

9^-4 = 1/9^4

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For the second problem, a=3, b=-5, so you have ...

1/3^-5 = 3^-(-5) = 3^5