Evaluate
220\pi \approx 691.15038379
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20\pi \times 6+10^{2}\pi
Multiply 2 and 10 to get 20.
120\pi +10^{2}\pi
Multiply 20 and 6 to get 120.
120\pi +100\pi
Calculate 10 to the power of 2 and get 100.
220\pi
Combine 120\pi and 100\pi to get 220\pi .
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