Boy Mow Chau's answer to Shei Ling's Secondary 3 E Maths Singapore question.

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Boy Mow Chau
Boy Mow Chau's answer
316 answers (Tutor Details)
1st
when the compounding period is not one year, we do not use the per annum interest rate directly in the calculation.

instead, we need to calculate an "adjusted interest rate" based on the length of the compounding period.