How do you express log5 (0.04) as a rational number?

Question

7107 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-05-23T11:33:35

#-2#

#log_5(0.04)#

Apply change of base law,

#log_5(5^-2)#

Bring down the power,

#-2cancel(log_5)cancel((5))#

Hence,

#-2#