Get expert advice and insights on any topic with IDNLearn.com. Get accurate and detailed answers to your questions from our knowledgeable and dedicated community members.

The ratio of the surface areas of two spheres is 1:9.
a) What is the ratio of the lengths of their radil? What is the ratio of their volumes?
b) If the volume of the smaller sphere is 64 cubic inches, what is the volume of the larger sphere?
in3