Evaluate
0.00285
Factor
\frac{3 \cdot 19}{2 ^ {5} \cdot 5 ^ {4}} = 0.00285
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\frac{32}{10000}-0.00035
Expand \frac{0.032}{10} by multiplying both numerator and the denominator by 1000.
\frac{2}{625}-0.00035
Reduce the fraction \frac{32}{10000} to lowest terms by extracting and canceling out 16.
\frac{2}{625}-\frac{7}{20000}
Convert decimal number 0.00035 to fraction \frac{35}{100000}. Reduce the fraction \frac{35}{100000} to lowest terms by extracting and canceling out 5.
\frac{64}{20000}-\frac{7}{20000}
Least common multiple of 625 and 20000 is 20000. Convert \frac{2}{625} and \frac{7}{20000} to fractions with denominator 20000.
\frac{64-7}{20000}
Since \frac{64}{20000} and \frac{7}{20000} have the same denominator, subtract them by subtracting their numerators.
\frac{57}{20000}
Subtract 7 from 64 to get 57.
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}