Using A Calculator

Question 1:

\sqrt{5354}

73.171032519707

Question 2:

\sqrt[5]{5.563}

1.4094893930543

Question 3:

\frac{8.62 + 9.92}{5.42 - 5.25}

109.05882352941

Question 4:

\frac{{6.8}^{2}}{\sqrt{{6.8}^{3} + {3.4}^{2}}}

2.561028162326