Evaluate
240
Factor
3\times 5\times 2^{4}
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\frac{480}{3.14\times 2}\times 3.14
Express \frac{\frac{480}{3.14}}{2} as a single fraction.
\frac{480}{6.28}\times 3.14
Multiply 3.14 and 2 to get 6.28.
\frac{48000}{628}\times 3.14
Expand \frac{480}{6.28} by multiplying both numerator and the denominator by 100.
\frac{12000}{157}\times 3.14
Reduce the fraction \frac{48000}{628} to lowest terms by extracting and canceling out 4.
\frac{12000}{157}\times \frac{157}{50}
Convert decimal number 3.14 to fraction \frac{314}{100}. Reduce the fraction \frac{314}{100} to lowest terms by extracting and canceling out 2.
\frac{12000\times 157}{157\times 50}
Multiply \frac{12000}{157} times \frac{157}{50} by multiplying numerator times numerator and denominator times denominator.
\frac{12000}{50}
Cancel out 157 in both numerator and denominator.
240
Divide 12000 by 50 to get 240.
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}