Evaluate
\frac{30800}{6561}\approx 4.69440634
Factor
\frac{2 ^ {4} \cdot 5 ^ {2} \cdot 7 \cdot 11}{3 ^ {8}} = 4\frac{4556}{6561} = 4.694406340496876
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400\times \frac{77}{81\times 81}
Multiply 100 and 4 to get 400.
400\times \frac{77}{6561}
Multiply 81 and 81 to get 6561.
\frac{400\times 77}{6561}
Express 400\times \frac{77}{6561} as a single fraction.
\frac{30800}{6561}
Multiply 400 and 77 to get 30800.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
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}