Question

(7.2 x 107) + (5.5 x 106) Express the result
in scientific notation

Answer 1

Answer: 1.3534x10^3

Explanation:

(7.2 x 107) + (5.5 x 106) =6767/5 = 1353.4 = 1.3534x10^3

Answer 2

1353.4 x 10^3

Explanation:

(7.2 x 107) + (5.5 x 106) = 770.4 + 583 = 1353.4

Scientific Notation: 1353.4 = 1353.4 x 10^3