Question

Find the value of each logarithm using the change of base formula. Logbase5 625.

Answer 1

\[\log _{5}625\]

Answer 2

The change of base formula says that
\[\log_a x= \frac{\log x}{\log a}\]

\[\log_5 625 = \frac{\log 625}{\log 5} =\]

Answer 3

You should get a nice round number and be able to check your work by raising 5 to that power.

Answer 4

i got 4 , how would i check that ?

Answer 5

\[5^4 = 5*5*5*5 = \]

Answer 6

thanks !