2 * 6^(n-1)
a(sub4) = 2 * 6^(4-1)
a(sub4) = 2 * 6^3
a(sub4) = 2 * 216
a(sub4) = 432
From the ratio given you can determine that m is proportional to 1/(r^3). You can write this as m = k * 1/(r^3), k being your constant of proportionality. Then use this to calculate the next parts of the question.
Answer:
It's been 70 days
Step-by-step explanation:
14 28 42 56 70
10 20 30 40 50 60 70
The first time they have a date in common is the 70th day.
Answer:
5/3
Step-by-step explanation: