3NT Compound Interest, Algebraic expansion and Fractions

John invested $5000 in the bank which is compounded yearly. The bank provided and interest rate of 4% per annum. Which formula best represent the total amount earned after 3 years?

John invested $5000 in the bank which is compounded monthly. The bank provided and interest rate of 4% per annum. Which formula best represent the total amount earned after 3 years?

John invested $5000 in the bank which is compounded half yearly. The bank provided and interest rate of 4% per annum. Which formula best represent the total amount earned after 3 years?

John invested $5000 in the bank which is compounded quarterly. The bank provided and interest rate of 4% per annum. Which formula best represent the total amount earned after 3 years?

John invested $5000 in the bank which is compounded yearly. The bank provided and interest rate of 4% per annum. Which formula best represent the compound interest earned after 3 years?

Answer explanation

Formula to find compound interest is:

Compound Interest = Total Amount - Principal

Answer explanation

Bracket means something to do with multiplication.

There is only one term outside the bracket. Means it must be multiplied to all terms in the bracket.