Evaluate
\frac{20000}{981}\approx 20.387359837
Factor
\frac{2 ^ {5} \cdot 5 ^ {4}}{109 \cdot 3 ^ {2}} = 20\frac{380}{981} = 20.387359836901123
Share
Copied to clipboard
\frac{40}{0.2\times 9.81}
Express \frac{\frac{40}{0.2}}{9.81} as a single fraction.
\frac{40}{1.962}
Multiply 0.2 and 9.81 to get 1.962.
\frac{40000}{1962}
Expand \frac{40}{1.962} by multiplying both numerator and the denominator by 1000.
\frac{20000}{981}
Reduce the fraction \frac{40000}{1962} to lowest terms by extracting and canceling out 2.
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}