Evaluate
-\frac{3\pi }{6250}\approx -0.001507964
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-4\pi \times 10^{-5}\times 12
To multiply powers of the same base, add their exponents. Add 1 and -6 to get -5.
-4\pi \times \frac{1}{100000}\times 12
Calculate 10 to the power of -5 and get \frac{1}{100000}.
-\frac{1}{25000}\pi \times 12
Multiply -4 and \frac{1}{100000} to get -\frac{1}{25000}.
-\frac{3}{6250}\pi
Multiply -\frac{1}{25000} and 12 to get -\frac{3}{6250}.
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