Evaluate
73.89
Factor
\frac{821 \cdot 3 ^ {2}}{2 ^ {2} \cdot 5 ^ {2}} = 73\frac{89}{100} = 73.89
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13.88+12.01+3\times 16
Multiply 2 and 6.94 to get 13.88.
25.89+3\times 16
Add 13.88 and 12.01 to get 25.89.
25.89+48
Multiply 3 and 16 to get 48.
73.89
Add 25.89 and 48 to get 73.89.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}