Question

A quarter is approximately 0.07 inches thick. A dollar bill is approximately 4.3 × 10^-3 inches thick. which is thicker the dollar bill or the quarter

Answer 1

quarter : 0.07 inches

dollar bill :
4.3 * 10^-3 =
4.3 * 1/(10^3) =
4.3 / 1000 =
0.0043 inches

quarter is thicker