Determine the final value for Compound interest problems

The video tutorial explains compound interest, starting with the concept and moving through a practical example. It uses an initial investment of $5000 with an 8% annual interest rate compounded weekly over 30 years. The tutorial walks through the calculation process, including converting the interest rate to a weekly rate and using the compound interest formula. The final result shows how the investment grows to $55,014.37 after 40 years, demonstrating the power of compound interest.

What is the total duration for which the investment is compounded?

What is the final amount in the account after 40 years?