Volume: h • pi r^2
Volume: (7.5) • pi (2)^2
Volume: 94.247796
Just round to your teacher’s liking
Repeating decimals are considered rational numbers because they can be represented as a ratio of two integers. If a number is terminating or repeating, it must be rational if a decimal is both non terminating and non repeating, the number is irrational.
So yes.
Sum is addition, less than is subtraction, equals is is, division is of and multiplication is per