a$.$ Define the following values in $R($the variable name $($ie$.$ A$)$ should be capitalized for this assignment$).A=3,B=10L,C=\frac{B}{A},D=$ hello, $E=$I am $,F=20L.$

b$.$ Conducting the following operations: i$.A^{**}B$ ii$.\frac{A}{B}$ iv$.B-F$

v$.$ B$/$F iii. C$/$A

With $"$hq$\_$ lab" calculate total activity score $"$

total.pa$"$ as the summary of "VigorousPA" and "ModeratePA".

$03.$ Print out the $1$ st $10$ rows of "VigorousPA", "ModeratePA", and $"$

total.pa$".$