Question

How to evaluate (3^-3+3^-4)/3^-5

Answer 1

\[\frac{3^{-3}+3^{-4}}{3^{-5}}\]?

Answer 2

yes

Answer 3

probably simplest to break it into two fractions
\[\frac{3^{-3}}{3^{-5}}+\frac{3^{-4}}{x^{-5}}\]

Answer 4

Where x is 3.

Answer 5

oh, okay let me try breaking it up

Answer 6

So it's 12. Thanks!

Answer 7

when you divide if the bases are the same you subtract the exponents. be careful when you subtract, because you are subtracting a Negative number.
\[\frac{3^{-3}}{3^{-5}}=3^{-3-(-5)}=3^{-3+5}=3^2\]

Answer 8

12 is correct. Yes.

Answer 9

yes it is 12. good work

Answer 10

hello polpak!

Answer 11

\[\color{green}{\text{hello polpak}}\]

Answer 12

Hello there.