Which expression is equivalent to 3^7 × 3^-4 a) 3^7 * (-3)^4
b) 3^-28
c) 3^7 * 1/ (3^4)
d) same as C but the 4 is negative.
PLEASE DON'T USE FOR POINTS

C

Step-by-step explanation:

3^-4 can be rewrite as 1/3^4, so the correct  answer si C

the argument of alfred t. mahan, henry cabot lodge, and albert j. beveridge was the economically and mass production the the americans could not consume themselves. this led expansion to sell to other foreign nations for profits.

step-by-step explanation:

this is my explanation