Question

2^x=11

Answer 1

switch it to a log \[\log_{2}11=x\]

Answer 2

\[b^x=A\iff x=\frac{\ln(A)}{\ln(b)}\] if you want a decimal approximation for this

Answer 3

would it be 3.31 ?

Answer 4

i.e. if you want to compute a number, compute
\[x=\frac{\ln(11)}{\ln(2)}\]

Answer 5

seems reasonable since \(2^3=8\)
we can check

Answer 6

no i get something different
http://www.wolframalpha.com/input/?i=log%2811%29%2Flog%282%29

Answer 7

ln and log are the same, right?

Answer 8

You were right satellite73

Answer 9

ln is natural log with base e
Log is base 10