Evaluate
3.7
Factor
\frac{37}{2 \cdot 5} = 3\frac{7}{10} = 3.7
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13.7-\left(\frac{72}{9}-\frac{49}{7}\right)^{8}-9
Add 10.2 and 3.5 to get 13.7.
13.7-\left(8-\frac{49}{7}\right)^{8}-9
Divide 72 by 9 to get 8.
13.7-\left(8-7\right)^{8}-9
Divide 49 by 7 to get 7.
13.7-1^{8}-9
Subtract 7 from 8 to get 1.
13.7-1-9
Calculate 1 to the power of 8 and get 1.
12.7-9
Subtract 1 from 13.7 to get 12.7.
3.7
Subtract 9 from 12.7 to get 3.7.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
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}