(3 \times { 1.99 }^{ 2 } +5 \times 1.99
Evaluate
21.8303
Factor
\frac{199 \cdot 1097}{2 ^ {4} \cdot 5 ^ {4}} = 21\frac{8303}{10000} = 21.8303
Share
Copied to clipboard
3\times 3.9601+5\times 1.99
Calculate 1.99 to the power of 2 and get 3.9601.
11.8803+5\times 1.99
Multiply 3 and 3.9601 to get 11.8803.
11.8803+9.95
Multiply 5 and 1.99 to get 9.95.
21.8303
Add 11.8803 and 9.95 to get 21.8303.
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}