Evaluate
\frac{21}{100000000000000}=2.1 \cdot 10^{-13}
Factor
\frac{3 \cdot 7}{2 ^ {14} \cdot 5 ^ {14}} = 2.0999999999999996 \times 10^{-13}
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7\times 10^{-14}\times 3
To multiply powers of the same base, add their exponents. Add -7 and -7 to get -14.
7\times \frac{1}{100000000000000}\times 3
Calculate 10 to the power of -14 and get \frac{1}{100000000000000}.
\frac{7}{100000000000000}\times 3
Multiply 7 and \frac{1}{100000000000000} to get \frac{7}{100000000000000}.
\frac{21}{100000000000000}
Multiply \frac{7}{100000000000000} and 3 to get \frac{21}{100000000000000}.
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