problems.

Kead Chapter $2$ Sect. $2\mathrm{.}1-2\mathrm{.}3$ before working through the following

$6.$ MATLAB Problem: Problem $2\mathrm{.}3$ in the book $($modified$)$

Create a MATLAB code to perform the following calculations:

a$.5^3$

b$.\frac{4+2\mathrm{.}5}{8*7\mathrm{.}5}$

c$.\sqrt[\phantom{2}]{4+5^3}$

Hint: MATLAB command for calculating the square root of $x$ is $\sqrt[\phantom{2}]{x}$