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24 votes
24 votes
Solve. Use 3.14 to approximate π. Round to the nearest whole number.

A spherical balloon is inflated until its diameter is 18 in. Air is then released from the balloon until its diameter is 6 in. Approximately how many cubic inches of air were released from the balloon?

Find the original volume of the balloon.
Voriginal=43πr3
=43π(9)3
=43π(729)
=972π

User Fedor  Petrov
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3.8k points

1 Answer

14 votes
14 votes

Answer:

b. =972π

Explanation:

because V=4/3πr³ sooooo
4/3·π·9³=3053.62806.

User Lajos
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3.6k points