Cutiepo0
How to evaluate (3^-3+3^-4)/3^-5
Delete
Share
This Question is Closed
anonymous
Best Response
You've already chosen the best response.
0
\[\frac{3^{-3}+3^{-4}}{3^{-5}}\]?
Cutiepo0
Best Response
You've already chosen the best response.
0
yes
anonymous
Best Response
You've already chosen the best response.
0
probably simplest to break it into two fractions
\[\frac{3^{-3}}{3^{-5}}+\frac{3^{-4}}{x^{-5}}\]
polpak
Best Response
You've already chosen the best response.
0
Where x is 3.
Cutiepo0
Best Response
You've already chosen the best response.
0
oh, okay let me try breaking it up
Cutiepo0
Best Response
You've already chosen the best response.
0
So it's 12. Thanks!
anonymous
Best Response
You've already chosen the best response.
0
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.
\[\frac{3^{-3}}{3^{-5}}=3^{-3-(-5)}=3^{-3+5}=3^2\]
polpak
Best Response
You've already chosen the best response.
0
12 is correct. Yes.
anonymous
Best Response
You've already chosen the best response.
0
yes it is 12. good work
anonymous
Best Response
You've already chosen the best response.
0
hello polpak!
anonymous
Best Response
You've already chosen the best response.
0
\[\color{green}{\text{hello polpak}}\]
polpak
Best Response
You've already chosen the best response.
0
Hello there.