admin

Guest:

radius of 115 cm

Guest:

a)what is the surface area of the balloon? answer correct to one decimal place?

Guest:

b)after a few days the balloon deflates to a radius of 10cm. what has the surface area shrunk to?

Guest:

c)if the surfce area shrinks to 1000cmsquare, what will the radius be?

Guest:

5

kumold:

if your decimal is written as a ...