Question

evaluate 20.8 x 19.2​

Answer 1

Answer:

20.8 x 19.2

=399.36

hope this helps you

Answer 2

$\bold{\huge{\fbox{\color{Pink}{ANSWER}}}}$

$\implies \: 20.8 \times 19.2 \\ \implies(20 + 0.8)(20 - 0.8) \\ \implies {(20)}^{2} - {(0.8)}^{2} \\ \implies400 - 0.64 \\ \implies399.36$