Question

In 25 days the earth pick up 6×10to the power 8 pounds of dust from the atmosphere how much dust will it pick up in 15 days

Answer 1

In 25 days the earth picks up= 6×10^8pounds
In 1 day the will pick up =6×10^8/25
In 15 days the earth will pick up=
6×10×10×10×10×10×10×10×10×15/25
36×10^7 or 3.6×10^8 (ans)