Using A Calculator

Question 1:

\sqrt{92.02}

9.5927055620404

Question 2:

\sqrt[5]{811}

3.8177208591183

Question 3:

\frac{8.37 + 6.5}{1.31 - 1.66}

-42.485714285714

Question 4:

\frac{{3.8}^{2}}{\sqrt{{5.2}^{2} + {7.6}^{2}}}

1.5680837963747