Question

how do you solve log questions on a calculator? Evaluate. log4 16

Answer 1

I have a Ti-84, so on mine I go log (16)/ (log 4) to get 2

Answer 2

use change of base...

make them base 10 logs

\[\frac{\log_{10} 16}{\log_{10} 4}\]

the same process works it you use base e logs

Answer 3

The log button is on the left (beside the #7 button) and all I did was divide the two logs to get what would normally be an exponent.

Answer 4

or you need to recognise 16 = 4^2