Question

A roll of pennies is shown .if the diameter of a penny is 19.05 millimeters. and each penny is 1.52 millimeters. thick , what is the approximate volume of the roll of pennies ? use 3 .14 for pie and round your answer to the nearest tenth .

Answer 1

In this case, we'll have to carry out several steps to find the solution.

Step 01:

Data

Penny:

diameter = 19.05 mm

height = 1.52 mm

Standard Roll of pennies:

number of coins = 50

volume = ?

Step 02:

Volume of a cylinder

V = π r ² h

V = 50 * 3.14 * (19.05 mm / 2)² * 1.52 mm

V = 21650.76mm³

The answer is:

The volume of the roll of pennies is 21650.8 mm³