Evaluate
\frac{1576}{81}\approx 19.456790123
Factor
\frac{2 ^ {3} \cdot 197}{3 ^ {4}} = 19\frac{37}{81} = 19.45679012345679
Share
Copied to clipboard
\frac{2}{9}\times \frac{765+23}{9}
Multiply 85 and 9 to get 765.
\frac{2}{9}\times \frac{788}{9}
Add 765 and 23 to get 788.
\frac{2\times 788}{9\times 9}
Multiply \frac{2}{9} times \frac{788}{9} by multiplying numerator times numerator and denominator times denominator.
\frac{1576}{81}
Do the multiplications in the fraction \frac{2\times 788}{9\times 9}.
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}