Question

ans is 2 / 25 ... plz give the correct solution . ​

Answer 1

Answer:

1/250

Step-by-step explanation:

[(4)^-1  -  (5)^-1]^2 *  (5/8)^-1

[1/4 - 1/5]^2  *  8/5               {1/a^m = a^-m}property of exponents

[(5-4)/20]^2 *  8/5

(1/20)^2   * 8/5

1/400 * 8/5

1/250