bewellplus.gsu.edu
Melony Melony
  • 05-12-2014
  • Mathematics
Answered

What is the value of expression?


5^−8 • 5^−4

A5^32

B5^4

C5^−4

D5^−12

Verified Answer :

crisforp
crisforp crisforp
  • 05-12-2014

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

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Anonymous Anonymous
  • 05-12-2014

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

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