Question

What value of n solves the equation?

3^n=1/81

A.
–243

B.
–27

C.
–4

D.
4

Answer 1

@WisdomDaughter @guillermo2cruzIII

Answer 2

\[3^{n}=\frac{ 1 }{ 81 }=\frac{ 1 }{ 3^4 }=3^{-4}\]

Answer 3

both side have same base=3
these can be equal only when their power will be equal

Answer 4

so n=-4

Answer 5

Thank you thank you thank you!!!! You just saved me from failing a math test!!!! @gorv