Question

Найдите сумму чисел 9,4*10^3 и 2,2*10^2.

Answer 1

9.4*1000=9400
2.2*100=220
9400+220=9620

Answer 2

$9.4 * 10^3 + 2.2* 10^2 = 10^2(9.4*10 + 2.2) = 100 * (94 + 2.2) =\\ = 100 * 96.2 = 9620$