A single tree produces about 2.6 × 10² 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 …

Question

A single tree produces about 2.6 × 10² 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 ?

Enter your answer in the box.
2.8 × 10
lb

Answer 1

Start by simplifying, 10^2 = 100, 100*2.6 = 260 so for the other side we

10^11= 100000000000, 100000000000 times 3.9 = 390000000000 so for the

final answer we multiply the two numbers stop get a

final answer of 260 times 390000000000 = 1.014e+14