Question

14. Find the value of x for which
5^2x ÷ 5^-3 = 5^5​

Answer 1

Answer:

(5÷3)^-9 => (3÷5)^9 by reciprocal to change negative to positive power

(3÷5)^5+9 = (3÷5)^2x

5+9 =2x the base are same so, add the power

14 = 2x

x=14/2

x=7