Question

$$\frac{ 7 }{ 278 \times 7777777777 } { \left(7- \right) }^{ 10 }$$

Answer

$$(7*(7-)^10)/(2.1622222220060*10^12)$$

Solution


Simplify  \(278\times 7777777777\)  to  \(2.162222\times {10}^{12}\).
\[\frac{7}{2.162222\times {10}^{12}}{(7-)}^{10}\]
Use this rule: \(\frac{a}{b} \times c=\frac{ac}{b}\).
\[\frac{7{(7-)}^{10}}{2.162222\times {10}^{12}}\]