Question

Which expression is equivalent to (7^3)^-2?

Answer 1

It is the square root of 343

Answer 2

\[\huge (7^3)^{-2} = 7^{3* -2}\]

Answer 3

7 cubed is 343 and 343 to the power of -2

Answer 4

THANK U SO MUCH

Answer 5

then the power of-2 is just a square root so the answer is i believe the square root of 343

Answer 6

\[\huge 7^{-6} = \frac{ 1 }{ 7^6 } \]

Answer 7

thanks astro