Evaluate
22.68
Factor
\frac{7 \cdot 3 ^ {4}}{5 ^ {2}} = 22\frac{17}{25} = 22.68
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\left(1.9+0.85\times 4\right)\times 4\times 0.9+2+1.6
Add 1 and 0.9 to get 1.9.
\left(1.9+3.4\right)\times 4\times 0.9+2+1.6
Multiply 0.85 and 4 to get 3.4.
5.3\times 4\times 0.9+2+1.6
Add 1.9 and 3.4 to get 5.3.
21.2\times 0.9+2+1.6
Multiply 5.3 and 4 to get 21.2.
19.08+2+1.6
Multiply 21.2 and 0.9 to get 19.08.
21.08+1.6
Add 19.08 and 2 to get 21.08.
22.68
Add 21.08 and 1.6 to get 22.68.
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
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}