Write your answer in scientific notation. 6.4*10^3+1.4*10^4+7.5*10^3 4.2*10^6-1.2*10^5-2.5*10^5helpppppp

Mathematics · Middle School · Tue Nov 03 2020

Answered on

We have,

6.4*10^3+1.4*10^4+7.5*10^3 + 4.2*10^6-1.2*10^5-2.5*10^5

Taking 10^3 common

10^3(6.4 + 14 + 7.5 + 4200 - 120 - 250)

3,857.9 × 10^3

3.8579 × 10^6