Math. Need help with solving this equation.?

Question

3,000,000= 10(2)^t

Im solving for the t in this equation. How do I?? I don't know how to solve for it. Please help??

Answer 1

Dividing by ten gives
300,000=2^t
now,taking log of both sides
log300000= t*log 2 so
t=log300,000/log2=18.1946