Evaluate
0.00000000000000000000065
Factor
\frac{13}{2 ^ {23} \cdot 5 ^ {22}} = 6.5 \times 10^{-22}
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\frac{1.5\times 130}{3\times 10^{23}}
Cancel out 2 in both numerator and denominator.
\frac{195}{3\times 10^{23}}
Multiply 1.5 and 130 to get 195.
\frac{195}{3\times 100000000000000000000000}
Calculate 10 to the power of 23 and get 100000000000000000000000.
\frac{195}{300000000000000000000000}
Multiply 3 and 100000000000000000000000 to get 300000000000000000000000.
\frac{13}{20000000000000000000000}
Reduce the fraction \frac{195}{300000000000000000000000} to lowest terms by extracting and canceling out 15.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
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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}