Posted by
**harry** on
.

How do you solve 1/16=64^(5x-4)?

thank you

Notice that 16 and 64 are both powers of 2.

2^-4 = 2^6(5x-4)

take log base 2 of each side..

-4=6(5x-4)

solve for x

wow, okay thanks!!!

so its -.93?