The number whose log is 2.9030 is?

3 answers

a log is an exponent , in this case ... 10^2.9030

or ... 10^2 * 10^.9030

10^2 is one hundred ... a calculator or a log table can give you 10^.9030
Now, log2 = .3010, so
10^2.9030 = 10*2 * 10^.9030
= 10^2 * 10^(.3010*3)
= 10^2 * (10^.3010)^3
= 10^2 * 2^3
= 800
For most calculators:
2ndF
log
2.9030
=


check by taking the log of your answer.