Asingle tree produces about 2.6 × 10² lb of oxygen each year. the amazon rainforest has about 3.9 x 10^11 trees. about how many pounds of oxygen are produced in the rainforest each day ? enter your answer in the blank 2.8 × 10 ^blank lb remember these are scientific notations no exponents.

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants.assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1