Evaluate
\frac{28}{25}=1.12
Factor
\frac{2 ^ {2} \cdot 7}{5 ^ {2}} = 1\frac{3}{25} = 1.12
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\frac{7}{2}\times 10^{-2}\times 32
To multiply powers of the same base, add their exponents. Add -3 and 1 to get -2.
\frac{7}{2}\times \frac{1}{100}\times 32
Calculate 10 to the power of -2 and get \frac{1}{100}.
\frac{7}{200}\times 32
Multiply \frac{7}{2} and \frac{1}{100} to get \frac{7}{200}.
\frac{28}{25}
Multiply \frac{7}{200} and 32 to get \frac{28}{25}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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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}