Evaluate
28
Factor
2^{2}\times 7
Quiz
Arithmetic
5 problems similar to:
( - 2 ) ^ { 2 } \cdot 4 ^ { 2 } : ( - 2 ) ^ { 6 } - ( - 3 ) ^ { 3 }
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\frac{4^{2}}{\left(-2\right)^{4}}-\left(-3\right)^{3}
Cancel out \left(-2\right)^{2} in both numerator and denominator.
\frac{16}{\left(-2\right)^{4}}-\left(-3\right)^{3}
Calculate 4 to the power of 2 and get 16.
\frac{16}{16}-\left(-3\right)^{3}
Calculate -2 to the power of 4 and get 16.
1-\left(-3\right)^{3}
Divide 16 by 16 to get 1.
1-\left(-27\right)
Calculate -3 to the power of 3 and get -27.
1+27
The opposite of -27 is 27.
28
Add 1 and 27 to get 28.
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}