Using A Calculator

Question 1:

\sqrt{2216}

47.074409183759

Question 2:

\sqrt[3]{38.75}

3.3839497260535

Question 3:

\frac{2.31 + 9.1}{9.15 - 3.89}

2.1692015209125

Question 4:

\frac{{9.2}^{3}}{\sqrt{{3.3}^{2} + {6.1}^{3}}}

50.488530779235