Find the value of 'y' if 5y=125
4
3
2
5
Given 5y=125
125= 5×5×5= 53
⇒5y= 53
∵ Bases are equal, powers should also be equal
∴y=3
If 1125 = 3x×5y then find the value of x+y.
If 15625=(x)2=5(y) . Find the value of x and y.