Question

Solve 7^x=124

Answer 1

change to loga form

Answer 2

^that's my fun way of saying logarithmic form

Answer 3

\[\log base 7 of 124\]

Answer 4

\[b^x=A\iff x=\frac{\ln(A)}{\ln(b)}\] in your case
\[b=7, A=124\]

Answer 5

So 124/7: x= 17.71?

Answer 6

@satellite73

Answer 7

i look like @satellite73 anyway...

it's not 124/7

it's log 124/log 7

Answer 8

it is
\[\frac{\ln(127)}{\ln(7)}\]

Answer 9

about 2.477 looks like
http://www.wolframalpha.com/input/?i=ln%28124%29%2Fln%287%29

Answer 10

also as lgbasalotte said you can use \(\frac{\log(124)}{\log(7)}\) as well

Answer 11

Thank you!! =)

Answer 12

yw