Using A Calculator

Question 1:

\sqrt{634.2}

25.183327818221

Question 2:

\sqrt[3]{8.594}

2.0483230386428

Question 3:

\frac{2.69 + 3.89}{5.06 - 8.96}

-1.6871794871795

Question 4:

\frac{7^{2}}{\sqrt{{9.6}^{3} + {1.4}^{2}}}

1.6455409916858