Question

$\sqrt{ 0.4} \times \sqrt {3.6}$=

• A. 12
• B. 0.12
• C. 1.2
• D. 0.012

Answer 1

Answer:

C. 1.2

$\sqrt{ 0.4} \times \sqrt {3.6}$

$=\sqrt{{0.4}\times{3.6}}$

$=\sqrt{1.44}$

$=1.2$