4) If the Dutch paid the equivalent of $50 to the Native Americans in 1620 to purchase Manhattan Island, and the Native Americans were able to invest at 8% per year compounded continuously over the entire period, what would the $50 be worth in 2020?

Answer choices

A- $1,170,772,000,000,000

B- $23,415,430,000,000

C- $78,962,960,000,000

D- $3,948,148,000,000,000

5) If one invested $100 and this sum grew -5% per year (fell in value 5% each year) at a continuous rate, what would be the value of the investment after 20 years?

Answer choices

A- $50

B- $35.85

C- $0

D- $36.79

6) If per capita GDP in X land is $1,000 and growing at a rate of 6%, and $16,000 in Y land growing at a rate of 1.2% per year, use the rule of 72 to estimate how many years it will take before the per capital GDPs are equal?

Answer choices

A- 48 years

B- 84 years

C- 30 years

D- 60 years