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OpenStudy (anonymous):
my question is (4pie r to the 2 power) how would i get this answer on a calculator
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Vocaloid (vocaloid):
find your r value then type in 4*pi*r*r or 4*pi*r^2
Vocaloid (vocaloid):
if your calculator is a scientific or graphing calculator, then there should be a "pi" button that looks like the pi symbol (π). if there is no π button, you can use 3.14 instead of pi
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