Question

If x = 0.5 and y = 0.4, then $\sqrt{1}.2$ $\times$ (3y)${}^x$ will be equal to:

• A. 1.2
• B. 0.6
• C. ${1.2}^{1.5}$
• D. 1.44

Answer 1

The correct option is A 1.2

$\sqrt{1.2}\times {\left(3y\right)}^x=\sqrt{1.2}\times (0.4{)}^{0.5}=\sqrt{1.2}\times \sqrt{1.2}=1.2$