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Study Island Math Help Worth 40 PTS

Study Island Math Help Worth 40 PTS-example-1

1 Answer

6 votes

Answer:

B

Explanation:

using the rules of exponents


a^(m) ×
a^(n) =
a^((m+n))


a^(-m) =
(1)/(a^(m) )


(a^m)^(n) =
a^(mn)

given


5^(8) ×
(5^(12)) ^(-4)

=
5^(8) ×
5^((12(-4)))

=
5^(8) ×
5^(-48)

=
5^((8-48))

=
5^(-40)

=
(1)/(5^(40) )

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