Evaluate
0.05
Factor
\frac{1}{5 \cdot 2 ^ {2}} = 0.05
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\frac{\frac{22}{7}\times \frac{7}{2}\times 3.5}{770}
Convert decimal number 3.5 to fraction \frac{35}{10}. Reduce the fraction \frac{35}{10} to lowest terms by extracting and canceling out 5.
\frac{\frac{22\times 7}{7\times 2}\times 3.5}{770}
Multiply \frac{22}{7} times \frac{7}{2} by multiplying numerator times numerator and denominator times denominator.
\frac{\frac{22}{2}\times 3.5}{770}
Cancel out 7 in both numerator and denominator.
\frac{11\times 3.5}{770}
Divide 22 by 2 to get 11.
\frac{38.5}{770}
Multiply 11 and 3.5 to get 38.5.
\frac{385}{7700}
Expand \frac{38.5}{770} by multiplying both numerator and the denominator by 10.
\frac{1}{20}
Reduce the fraction \frac{385}{7700} to lowest terms by extracting and canceling out 385.
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}