Question

$$1.6.7 \sqrt{ 4444444 }$$

Answer

2*1.6.7*sqrt(1111111)

Solution


Simplify  \(\sqrt{4444444}\)  to  \(2\sqrt{1111111}\).
\[1.6.7\times 2\sqrt{1111111}\]
Regroup terms.
\[2\times 1.6.7\sqrt{1111111}\]