Evaluate
189\pi \approx 593.761011528
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\frac{1}{3}\pi \times 81\times 7
Calculate 9 to the power of 2 and get 81.
\frac{81}{3}\pi \times 7
Multiply \frac{1}{3} and 81 to get \frac{81}{3}.
27\pi \times 7
Divide 81 by 3 to get 27.
189\pi
Multiply 27 and 7 to get 189.
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