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Mathematics 22 Online
OpenStudy (anonymous):

A single tree produces about 2.6 × 10^2 lb of oxygen each year. The Amazon rainforest has about 3.9 × 10^11 trees. About how many pounds of oxygen are produced in the rainforest each day ?

OpenStudy (anonymous):

2.6 x 102 = 265.2 3.9 x 10^11 = 390000000000 390000000000 x 265.2 = 103,428,000,000,000 pounds of oxygen each year.

OpenStudy (anonymous):

103,428,000,000,000 / 365 = 283,364,383,561.6 pounds of oxygen each day.

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