Evaluate
\frac{196\pi }{3}\approx 205.250720035
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4\pi \times \frac{49}{3}
Calculate 7 to the power of 2 and get 49.
\frac{4\times 49}{3}\pi
Express 4\times \frac{49}{3} as a single fraction.
\frac{196}{3}\pi
Multiply 4 and 49 to get 196.
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