Evaluate
0.0002
Factor
\frac{1}{2 ^ {3} \cdot 5 ^ {4}} = 0.0002
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\frac{2.8}{1.4\times 10^{4}}
Cancel out 10^{8} in both numerator and denominator.
\frac{2.8}{1.4\times 10000}
Calculate 10 to the power of 4 and get 10000.
\frac{2.8}{14000}
Multiply 1.4 and 10000 to get 14000.
\frac{28}{140000}
Expand \frac{2.8}{14000} by multiplying both numerator and the denominator by 10.
\frac{1}{5000}
Reduce the fraction \frac{28}{140000} to lowest terms by extracting and canceling out 28.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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