How to Evaluate an Expression with an Exponent

The video tutorial explains how to evaluate an expression with an exponent by substituting a given value for a variable. It begins with a test question asking for the value of an expression when G equals 1.5. The tutorial breaks down the expression, substitutes the value, and performs step-by-step calculations to arrive at the final result of 11.25.

What is the significance of carrying numbers in multiplication as shown in the calculation?

How do you determine the number of decimal places needed in the final answer?