Question

What value of k solves the equation?
k^-4 = 1/256

Answer 1

Hint:

256 = 2^8 = (-2)^8

Answer 2

whats the answer

Answer 3

What did you get?

Answer 4

ok i got -64

Answer 5

so if you check it right,sure ,correct and will make the calcule will get k=4

Answer 6

Nope.

\[{1 \over k^4 } ={ 1 \over 256} \rightarrow k^4 = 256\]

Answer 7

^jhonyy9, don't forget about k=-4

Answer 8

check it ,,slaaibak" !!!

Answer 9

is it - or +

Answer 10

both.

Answer 11

yes +/- 4 will be right