Question

(0.1m - 0.2n) (0.1m + 0.2n)​

Answer 1

Answer:

by using formula ,

a² - b² = ( a+b) (a - b)

than,

(0.1m)² - ( 0.2n)²

0.01m² - 0.04n²

Answer 2

Step-by-step explanation:

pls mark it as the brainliest answer........