2,78 \times 10 ^ { - 4 } =
Evaluate
0,000278
Factor
\frac{139}{2 ^ {5} \cdot 5 ^ {6}} = 0.000278
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2,78\times \frac{1}{10000}
Calculate 10 to the power of -4 and get \frac{1}{10000}.
\frac{139}{500000}
Multiply 2,78 and \frac{1}{10000} to get \frac{139}{500000}.
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