Question

Devonte used the change of base formula to approximate log 8 25. Which expression did Devonte use?

A.log 8/25 B.log8/log25 C.log 25/8 D.log25/log8

Answer 1

D.

Explanation:

Answer 2

`\bf \textit{Logarithm Change of Base Rule} \\\\ log_a b\implies \cfrac{log_c b}{log_c a}\\\\ -------------------------------\\\\ log_8(25)\implies \cfrac{log_(10)(25)}{log_(10)(8)}\implies \cfrac{log(25)}{log(8)}`