Asingle 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 ? 2.8 × 10^? lb

What scale factor was applied to the first rectangle to get the resulting image interior answer as a decimal in the box

The heaviest 16% of all men in weight weigh more than how many pounds ?

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school.each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220