Evaluate
70
Factor
2\times 5\times 7
Share
Copied to clipboard
\frac{4.2\times 2.5}{7.5\times 0.02}
Multiply 3 and 1.4 to get 4.2.
\frac{10.5}{7.5\times 0.02}
Multiply 4.2 and 2.5 to get 10.5.
\frac{10.5}{0.15}
Multiply 7.5 and 0.02 to get 0.15.
\frac{1050}{15}
Expand \frac{10.5}{0.15} by multiplying both numerator and the denominator by 100.
70
Divide 1050 by 15 to get 70.
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}