Evaluate
\frac{84}{125}=0.672
Factor
\frac{2 ^ {2} \cdot 3 \cdot 7}{5 ^ {3}} = 0.672
Quiz
Arithmetic
5 problems similar to:
\frac { 3 } { 5 } \cdot ( \frac { 3 } { 25 } + \frac { 1 } { 1 } )
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\frac{3}{5}\left(\frac{3}{25}+1\right)
Divide 1 by 1 to get 1.
\frac{3}{5}\left(\frac{3}{25}+\frac{25}{25}\right)
Convert 1 to fraction \frac{25}{25}.
\frac{3}{5}\times \frac{3+25}{25}
Since \frac{3}{25} and \frac{25}{25} have the same denominator, add them by adding their numerators.
\frac{3}{5}\times \frac{28}{25}
Add 3 and 25 to get 28.
\frac{3\times 28}{5\times 25}
Multiply \frac{3}{5} times \frac{28}{25} by multiplying numerator times numerator and denominator times denominator.
\frac{84}{125}
Do the multiplications in the fraction \frac{3\times 28}{5\times 25}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}