Evaluate
84.78
Factor
\frac{157 \cdot 3 ^ {3}}{2 \cdot 5 ^ {2}} = 84\frac{39}{50} = 84.78
Share
Copied to clipboard
\frac{1}{3}\times 81\times 3.14
Reduce the fraction \frac{120}{360} to lowest terms by extracting and canceling out 120.
\frac{81}{3}\times 3.14
Multiply \frac{1}{3} and 81 to get \frac{81}{3}.
27\times 3.14
Divide 81 by 3 to get 27.
84.78
Multiply 27 and 3.14 to get 84.78.
Examples
Quadratic equation
{ 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}