Question

in 10 days, the earth pickup 2.6 / 10 power 8 pound of dust from the atmosphere how much dust will it pickup in 45 days​

Answer 1

$in \: 10 \: days \: ⟶ \: 2.6 \: . \: {10}^{8} \\ ∴ in \: 1 \: day ⟶  \frac{(2.6). {10}^{8} }{10} pounds \\ ∴ in 45 days⟶ (2.6)× { 10}^{7} ×45= (11.7) {10}^{8 } pounds.$

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