Question

Use a table to solve. Round to the nearest hundredth.

2^8x = 93

0.82
30.72
3.14
52.31

Answer 1

a table? what is this, 1957?

Answer 2

\[2^{8x}=93\]
\[8x=\frac{\ln(93)}{\ln(2)}\]
\[x=\frac{\ln(93)}{8\ln(2)}\]

Answer 3

not sure what "table' you are supposed to use (a log table?) but it looks like around \(.82\)
http://www.wolframalpha.com/input/?i=ln%2893%29%2F%288ln%282%29%29

Answer 4

Thanks a lot!

Answer 5

yw