Question

plzz Give me the correct answer and steps also plzz Give me the answer fastt​

Answer 1

Step-by-step explanation:

simply multiply them

your answer will be

$20.8 \times 19.2$

answer is 399.36

Answer 2

Answer:

Answer is 399.64

Step-by-step explanation:

19.2 × 20.8

= ( 20 - 0.8 ) ( 20 + 0.8 )

= ( a - b ) ( a + b ) = (a)² - (b)²

= (a) = 20, (b) = 0.8

= (20)² - (0.8)²

= 400 - 0. 64

= 399.36

Hope it helps..