Evaluate
\frac{9}{20000000000}=4.5 \cdot 10^{-10}
Factor
\frac{3 ^ {2}}{2 ^ {11} \cdot 5 ^ {10}} = 4.5 \times 10^{-10}
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45\times \frac{1}{100000000000}
Calculate 10 to the power of -11 and get \frac{1}{100000000000}.
\frac{9}{20000000000}
Multiply 45 and \frac{1}{100000000000} to get \frac{9}{20000000000}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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