Question

A brand new one-dollar bill is 4.3 x 10^-3 inch thick. What would be the thickness of a stack of 200 brand new one-dollar bills? A. 0.63 inch C. 6.3 inches B. 0.86 inch D. 8.6 inches

Answer 1

B. 0.86 inch

Step-by-step explanation:

The thickness of a brand new one-dollar bill

`=4.3*10^(-3)\text{ inch}`

If there are 200 brand new one-dollar bills, the thickness will be:

`\begin{gathered} =200*4.3*10^(-3)\text{ inch} \\ =860*10^(-3) \\ =0.86\text{ inch} \end{gathered}`

A stack of 200 bills would be 0.86 inches thick.