Exponentials and Logarithms

• 0.65

• 1.92

• 1.77

• 0.24

• 97.86

• 664.69

• 165.35

• 204.95

The population of a certain city grows by 5.8% every year. If the population was 33,480 in 2000, what will the population be in 2030 rounded to the nearest whole number?

• 94,080
• 102,350
• 75,620
• 181,700

A car purchased for $23,900 depreciates in value by 12.1% each year. Which expression models this situation?

• 9093.27

• 1164.71

• 3642.01

• 4231.41

How long must $150 be invested at 6% continuously compounded interest to reach $150,000, rounded to the nearest year?

• 115

• 26

• 40

• 7

A radioactive isotope's mass decreases by half every 510 years. If the sample was 770 grams, how much will be remaining after 4080 years?

• 3 grams

• 13 grams

• 30 grams

• 130 grams