Question

1.263 x 10^9 - 1.525 x 10^7

Answer 1

1,263,000,000-15,250,000=1,247,750,000

Answer 2

1.263 x 10^9=126,300,000
1.525 x 10^7=15,250,000
126,300,000-15,250,000=111,050,000
(i did long form coz i didn't have the right calculator)