Question

please help and be quick my brainly app keeps crashing

Answer 1

The formula for the volume of a sphere is:

$V=\frac{4}{3}\pi r^3$

Where r is the radius.

In this case, the radius is 18cm. Thus:

$V=\frac{4}{3}\pi(18cm)^3=7776\pi cm^3\approx24429cm^3$

The volume of the bigger balloon is 24429 cm^3