Question

i was doing pretty well with solving these equations until I came across this one just need a little guidance
−5.3⋅16^n−9 =−77.8

Answer 1

divide and log out the exponent

Answer 2

that exponent is n-9?

Answer 3

yes

Answer 4

\[-5.3~16^{n-9}=-77.8\]
divide off the -5.3
log to reveal the exponent, divide off the log(16) and add off the 9

Answer 5

not much to it, just a matter of peeling an onion basically ... one layer at a time

Answer 6

I got 10.734 but I don't think it is right

Answer 7

just a little off

http://www.wolframalpha.com/input/?i=-5.3%2816%29%5E%28n-9%29%3D-77.8

should be about 9.96

Answer 8

Ok thanks a bunch

Answer 9

yw