Question

In 15 days, the earth picks 3•9×10 power 8 pounds of dust from the atmosphere how much dust will it pick in 40 days​

Answer 1

Answer:

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Step-by-step explanation:

Dust pickup in 15 day = 3.9×10 power 8 pounds

:. so dust pickup in 1 day = 3.9 ×10 power 8

------------------------

15

Now dust pickup in 40 day = 3.9 ×10 power 8

-------------------- × 40

15

now answer will be 1.04 × 10 power 9

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