3.14 \times | 8 \times 18 \times 7
Evaluate
3165.12
Factor
\frac{7 \cdot 157 \cdot 2 ^ {3} \cdot 3 ^ {2}}{5 ^ {2}} = 3165\frac{3}{25} = 3165.12
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3.14|144\times 7|
Multiply 8 and 18 to get 144.
3.14|1008|
Multiply 144 and 7 to get 1008.
3.14\times 1008
The absolute value of a real number a is a when a\geq 0, or -a when a<0. The absolute value of 1008 is 1008.
3165.12
Multiply 3.14 and 1008 to get 3165.12.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
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}