Evaluate
\frac{40000}{49}\approx 816.326530612
Factor
\frac{2 ^ {6} \cdot 5 ^ {4}}{7 ^ {2}} = 816\frac{16}{49} = 816.3265306122449
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\frac{2}{245\times 10^{-3}\left(0.01+0.24\right)\times \frac{1+3}{100}}
Cancel out 2 in both numerator and denominator.
\frac{2}{245\times \frac{1}{1000}\left(0.01+0.24\right)\times \frac{1+3}{100}}
Calculate 10 to the power of -3 and get \frac{1}{1000}.
\frac{2}{\frac{49}{200}\left(0.01+0.24\right)\times \frac{1+3}{100}}
Multiply 245 and \frac{1}{1000} to get \frac{49}{200}.
\frac{2}{\frac{49}{200}\times 0.25\times \frac{1+3}{100}}
Add 0.01 and 0.24 to get 0.25.
\frac{2}{\frac{49}{800}\times \frac{1+3}{100}}
Multiply \frac{49}{200} and 0.25 to get \frac{49}{800}.
\frac{2}{\frac{49}{800}\times \frac{4}{100}}
Add 1 and 3 to get 4.
\frac{2}{\frac{49}{800}\times \frac{1}{25}}
Reduce the fraction \frac{4}{100} to lowest terms by extracting and canceling out 4.
\frac{2}{\frac{49}{20000}}
Multiply \frac{49}{800} and \frac{1}{25} to get \frac{49}{20000}.
2\times \frac{20000}{49}
Divide 2 by \frac{49}{20000} by multiplying 2 by the reciprocal of \frac{49}{20000}.
\frac{40000}{49}
Multiply 2 and \frac{20000}{49} to get \frac{40000}{49}.
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y = 3x + 4
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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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}