Negative exponents

Math Central

Quandaries & Queries

Subject: Pre-Algebra
Name: Bob
Who are you: Student

Hi, im Bob, a 7th grade student in pre-algebra.
I have to write this "Y-7" (but the -7 is an exponent) as a positive exponent. How?

Thanks

Hi Bob,

What about

y ^-7 = ¹/_y⁷

Penny

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