Question

A book is 20 cm by 18 cm and 50 mm thick. How many cubic cm of space does the book occupy?

Answer 1

$volume \: = \: l \: \times b \: \times \ \:h$

l=20cm

b=18cm

h=50mm=5cm (1cm=10mm)

volume = (20 x 18 x 5) cm^3

= 1800 cm^3

thus, the book occupies 1800 cubic cm of space