Step-by-step explanation:
Change of Base formula: [tex]log_ax=\frac{log_bx}{log_ba}[/tex]
b can be any number.
This formula is used because a lot of calculators can't calculate a logarithm with a base other than 10, so calculators don't show the bases, it is already assumed as base 10.
[tex]log_725=\frac{log_{10}25}{log_{10}7}[/tex]
Type log(25) / log(7) to get: 1.6542
Pls let me know if u have any questions about logarithms, it helps me study!!
