Question

in 10 days the earth picks up 2.6×10^8 pounds of dust from the atmosphere. how much dust will it pick in 45 days.​

Answer 1

Answer:

Thus , 11 . 7 × 10 8 pounds of dust will be picked up by the earth in 45 days

Answer 2

Given :

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• In 10 days the earth picks up $\sf \: 2.6 \times 10 \: ^ 8$ pounds of dust from the atmosphere.

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

To Find :

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

• How much dust will it pick in 45 days = ?

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

Solution :

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

☛ Dust picked up in 10 days = $\sf \gray{ 2.6 \times 10 \: ^ 8}$ pounds.

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

☛ Dust picked up in 1 day = $\sf \gray{ \dfrac{2.6 \times 10 \: ^8}{10} }$ pounds.

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

☛ Dust picked up up in 45 days = $\sf \gray{ \dfrac{2.6 \times 10 \: ^8}{10} } \times \gray{45}$ pounds. ⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

$: \implies \sf \gray{2.6 \times 10 \: ^7 \times 45}$ pounds.

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

$: \implies \sf \gray{117 \times 10 \: ^7 \times 45}$ pounds.

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

$: \implies \sf \purple{1.17 \times 10 \: ^9 }$ pounds. ⠀

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$\therefore \bf \red{ \underline{Dust \: picked \: up \: in \: 45 \: days = 1.17 \times 10 \: ^9 \: pounds }}$