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3 years ago

12

What is the value of expression?

2 answers:

Andrei [34K]3 years ago

5 0

$Use:a^n\cdot a^m=a^{n+m}\\\\5^{-8}\cdot5^{-4}=5^{-8+(-4)}=5^{-12}\\\\Answer:\boxed{D}$

AURORKA [14]3 years ago

3 0

5 ^ ( - 8 - 4 ) = 5 ^ ( - 12 ) D.

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