Evaluate the expression 9^4 x 9^-4 (Problem 8 in photo. Thank you!)

Navan asked Dec 16, 2023

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33 votes

Evaluate the expression

9^4 x 9^-4

(Problem 8 in photo. Thank you!)

Navan asked Dec 16, 2023

by Navan

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19 votes

Answer:

Explanation:

using the rules of exponents

a^(m) ×
a^(n) =
a^((m+n)) ,
a^(0) = 1 , then

9^(4) ×
9^(-4)

=
9^((4+(-4)))

=
9^((4-4))

=
9^(0)

= 1

Esope answered Dec 21, 2023

by Esope

2.6k points

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