The width of a human hair is 2 x 10-5 meters. The width of a piece of sand is 1.5 x 10- meters. What is the difference in the widths, in meters, of the human hair and the piece of sand?
A
0.00013
B
0.000118
С
0.00118
D
0.05

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters