Evaluate
\frac{2400}{239}\approx 10.041841004
Factor
\frac{3 \cdot 2 ^ {5} \cdot 5 ^ {2}}{239} = 10\frac{10}{239} = 10.0418410041841
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\frac{120}{239}\times 20
Expand \frac{12}{23.9} by multiplying both numerator and the denominator by 10.
\frac{120\times 20}{239}
Express \frac{120}{239}\times 20 as a single fraction.
\frac{2400}{239}
Multiply 120 and 20 to get 2400.
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}