Question

The diameter of a quarter is approximately 2 millimeters. How many quarters would u need to make a two kilometer high pile?

Answer 1

The number of quarters required to pile up to 2 km are 1000000.

Explanation:

Diameter of each quarter = 2 mm

Total height = 2 km

Number of quarters required is given by

`( 2 km)/(2 mm)\\\\(2* 1000* 1000 mm)/(2 mm)\\\\= 1000000`