Evaluate
\frac{1}{20000}=0.00005
Factor
\frac{1}{2 ^ {5} \cdot 5 ^ {4}} = 5 \times 10^{-5}
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2\times \frac{1}{100000}\times \frac{5}{2}
Calculate 10 to the power of -5 and get \frac{1}{100000}.
\frac{1}{50000}\times \frac{5}{2}
Multiply 2 and \frac{1}{100000} to get \frac{1}{50000}.
\frac{1}{20000}
Multiply \frac{1}{50000} and \frac{5}{2} to get \frac{1}{20000}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}