Evaluate
\frac{78125}{624}\approx 125.200320513
Factor
\frac{5 ^ {7}}{2 ^ {4} \cdot 3 \cdot 13} = 125\frac{125}{624} = 125.20032051282051
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\frac{5^{5}\times 5^{4}}{5^{6}-5^{2}}
To multiply powers of the same base, add their exponents. Add 2 and 3 to get 5.
\frac{5^{9}}{5^{6}-5^{2}}
To multiply powers of the same base, add their exponents. Add 5 and 4 to get 9.
\frac{1953125}{5^{6}-5^{2}}
Calculate 5 to the power of 9 and get 1953125.
\frac{1953125}{15625-5^{2}}
Calculate 5 to the power of 6 and get 15625.
\frac{1953125}{15625-25}
Calculate 5 to the power of 2 and get 25.
\frac{1953125}{15600}
Subtract 25 from 15625 to get 15600.
\frac{78125}{624}
Reduce the fraction \frac{1953125}{15600} to lowest terms by extracting and canceling out 25.
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}