Evaluate
\frac{7}{25000000000}=2.8 \cdot 10^{-10}
Factor
\frac{7}{2 ^ {9} \cdot 5 ^ {11}} = 2.8000000000000003 \times 10^{-10}
Share
Copied to clipboard
4\times 10^{-11}\times 7
To multiply powers of the same base, add their exponents. Add -6 and -5 to get -11.
4\times \frac{1}{100000000000}\times 7
Calculate 10 to the power of -11 and get \frac{1}{100000000000}.
\frac{1}{25000000000}\times 7
Multiply 4 and \frac{1}{100000000000} to get \frac{1}{25000000000}.
\frac{7}{25000000000}
Multiply \frac{1}{25000000000} and 7 to get \frac{7}{25000000000}.
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}