Evaluate
\frac{1}{1250000000000000000}=8 \cdot 10^{-19}
Factor
\frac{1}{2 ^ {16} \cdot 5 ^ {19}} = 8 \times 10^{-19}
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32\times 25\times 10^{-21}
To multiply powers of the same base, add their exponents. Add -10 and -11 to get -21.
800\times 10^{-21}
Multiply 32 and 25 to get 800.
800\times \frac{1}{1000000000000000000000}
Calculate 10 to the power of -21 and get \frac{1}{1000000000000000000000}.
\frac{1}{1250000000000000000}
Multiply 800 and \frac{1}{1000000000000000000000} to get \frac{1}{1250000000000000000}.
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