Answer:
3
Step-by-step explanation:
Using the rule of logarithms
[tex]log_{b}[/tex] x = n ⇒ x = [tex]b^{n}[/tex]
let [tex]log_{5}[/tex] 125 = n , then
125 = [tex]5^{n}[/tex] , that is
5³ = [tex]5^{n}[/tex]
Since the bases on both sides are equal, both 5 then equate the exponents
n = 3
