Question

1
$105 \times 103$

Answer 1

Answer is 10815.

Mark brainliest if it helped! Remember (a-b) (a+b) = a^2 - b^2 (104-1) (104+1) = 104^2 - 1^2 Or 10816 - 1 = 10815

Answer 2

(103+2)(103)
=10609+206
=10815 Or (100+5)(100+3) =10000+300+500+15 =10815