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This is about exponents
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4 votes
This is about exponents

This is about exponents-example-1
User Jose Pose S
by
5.0k points

1 Answer

2 votes

Answer:

B

Explanation:

Using the rules of exponents


a^(m) ×
a^(n) ⇔
a^((m+n)) and


a^(0) = 1, then


9^(x) ×
9^(-x)

=
9^((x-x))

=
9^(0) = 1 → B

User Stephan Wagner
by
5.1k points
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