Molly estimated the width of a poster to be 21 inches. The actual width is 26 inches. To the nearest tenth of a percent, what is the percent error of Molly's estimate?

Enter your answer as a decimal in the box.

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

Which representation has a constant of variation of -2.5