Evaluate
279.3
Factor
\frac{3 \cdot 19 \cdot 7 ^ {2}}{2 \cdot 5} = 279\frac{3}{10} = 279.3
Quiz
Arithmetic
5 problems similar to:
((9 \times 800) \times .7) \times .095 \times ( \frac{ 7 }{ 12 } )
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7200\times 0.7\times 0.095\times \frac{7}{12}
Multiply 9 and 800 to get 7200.
5040\times 0.095\times \frac{7}{12}
Multiply 7200 and 0.7 to get 5040.
478.8\times \frac{7}{12}
Multiply 5040 and 0.095 to get 478.8.
\frac{2394}{5}\times \frac{7}{12}
Convert decimal number 478.8 to fraction \frac{4788}{10}. Reduce the fraction \frac{4788}{10} to lowest terms by extracting and canceling out 2.
\frac{2394\times 7}{5\times 12}
Multiply \frac{2394}{5} times \frac{7}{12} by multiplying numerator times numerator and denominator times denominator.
\frac{16758}{60}
Do the multiplications in the fraction \frac{2394\times 7}{5\times 12}.
\frac{2793}{10}
Reduce the fraction \frac{16758}{60} to lowest terms by extracting and canceling out 6.
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}