Evaluate
-\frac{81}{125}=-0.648
Factor
-\frac{81}{125} = -0.648
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81\left(-5\right)^{-3}
Calculate -9 to the power of 2 and get 81.
81\left(-\frac{1}{125}\right)
Calculate -5 to the power of -3 and get -\frac{1}{125}.
-\frac{81}{125}
Multiply 81 and -\frac{1}{125} to get -\frac{81}{125}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
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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
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Limits
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