Evaluate
\frac{4}{9}\approx 0.444444444
Factor
\frac{2 ^ {2}}{3 ^ {2}} = 0.4444444444444444
Share
Copied to clipboard
\frac{2^{-4}\times 4^{2}\times 3^{-1}\times 9^{-1}}{2^{-5}\times 8\times 3^{-3}\times 9}
To multiply powers of the same base, add their exponents. Add 1 and -2 to get -1.
\frac{2^{1}\times 3^{2}\times 4^{2}\times \frac{1}{9}}{8\times 9}
To divide powers of the same base, subtract the denominator's exponent from the numerator's exponent.
\frac{2^{1}\times 3^{2}\times 4^{2}}{8\times 9^{2}}
To divide powers of the same base, subtract the numerator's exponent from the denominator's exponent.
\frac{2\times 3^{2}\times 4^{2}}{8\times 9^{2}}
Calculate 2 to the power of 1 and get 2.
\frac{2\times 9\times 4^{2}}{8\times 9^{2}}
Calculate 3 to the power of 2 and get 9.
\frac{18\times 4^{2}}{8\times 9^{2}}
Multiply 2 and 9 to get 18.
\frac{18\times 16}{8\times 9^{2}}
Calculate 4 to the power of 2 and get 16.
\frac{288}{8\times 9^{2}}
Multiply 18 and 16 to get 288.
\frac{288}{8\times 81}
Calculate 9 to the power of 2 and get 81.
\frac{288}{648}
Multiply 8 and 81 to get 648.
\frac{4}{9}
Reduce the fraction \frac{288}{648} to lowest terms by extracting and canceling out 72.
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}