Answer:
25x10^18/4 or 6.25x10^18
Step-by-step explanation:
2.5x10^33x5x10^-15/2
12.5x10^18/2
D makes an annuity. for annuity u have to make equal deposit regularly. so i think its D
9
Answer: 3
Step-by-step explanation: your welcome even if im wrong