If an instalment plan quotes a monthly interest rate of 4%, the effective annual/yearly interest rate would be . 4% Between 4% and 48% 48% More than 48%

  More than 48%

Explanation:

If the interest is computed monthly on the outstanding balance, it has an effective annual rate of ...

  (1 +4%)^12 -1 = 60.1% . . . .  more than 48%

Remember that density is mass divided by volume. first u must calculate the volume. so do 100 to the power of 3(cause volume is width ×lenth×height so u end up having to do 100 ×100×100) in your calculator. U know the mass is 4.5 kilograms. simply do 4.5 divided by 100 to the power of 3.