Evaluate
81
Factor
3^{4}
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\frac{\frac{80+1}{5}\left(-10\right)}{-2}
Multiply 16 and 5 to get 80.
\frac{\frac{81}{5}\left(-10\right)}{-2}
Add 80 and 1 to get 81.
\frac{\frac{81\left(-10\right)}{5}}{-2}
Express \frac{81}{5}\left(-10\right) as a single fraction.
\frac{\frac{-810}{5}}{-2}
Multiply 81 and -10 to get -810.
\frac{-162}{-2}
Divide -810 by 5 to get -162.
81
Divide -162 by -2 to get 81.
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}