Evaluate
2.355
Factor
\frac{3 \cdot 157}{2 ^ {3} \cdot 5 ^ {2}} = 2\frac{71}{200} = 2.355
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\frac{9.42}{4}
Multiply 3 and 3.14 to get 9.42.
\frac{942}{400}
Expand \frac{9.42}{4} by multiplying both numerator and the denominator by 100.
\frac{471}{200}
Reduce the fraction \frac{942}{400} to lowest terms by extracting and canceling out 2.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
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Limits
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