Question

Solving logarithm help?

Answer 1

wht grade is tht

Answer 2

\[3\log (2x)=4\]
\[\log (2x)=\frac{4}{3}\]

change into exponent form :
\[2x=10^{\frac{4}{3}}\]
\[x=\frac{10^{\frac{4}{3}}}{2}\]

use your calculator to simplify

Answer 3

yeah you can do this :)

Answer 4

wait how'd you turn 4/3 to 10^4/3

?

Answer 5

we have a rule for that

Answer 6

\[\log x = a\]

is same as

\[x = 10^a\]

Answer 7

btw, the default base for log is 10

Answer 8

Oh okay now I get it
thanks @rational

Answer 9

np:)

Answer 10

@rational I got 6.66 repeating, closest answer to that is C, is that it?

Answer 11

the answer is not 6.66

it's 10.772