Evaluate
\frac{6400}{81}\approx 79.012345679
Factor
\frac{2 ^ {8} \cdot 5 ^ {2}}{3 ^ {4}} = 79\frac{1}{81} = 79.01234567901234
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\frac{64}{81}\times 100
Reduce the fraction \frac{1600}{2025} to lowest terms by extracting and canceling out 25.
\frac{64\times 100}{81}
Express \frac{64}{81}\times 100 as a single fraction.
\frac{6400}{81}
Multiply 64 and 100 to get 6400.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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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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