Please help me to figure out how to answer the question below. Thank you.

15. -/1 points HarMathAp 12 6.2.063. My N If the rate of growth of a population continues at 2%, in how many years will the population double? (Round your answer to the nearest whole number.) Need Help? Read It Talk to a Tutor 16. -/1 points HarMathAp12 6.2.067. My Notes A machine is valued at $10,000. If the depreciation at the end of each year is 40% of its value at the beginning of the year, find its value at the end of 3 years. Read It Talk to a Tutor MacBook Air esc -O. 20 880 F4 -- F6 DII F F2 @ $ A & O LO A N 8 9 W E R Y O P tab caps lock A S F H K > Z X B N M alt all J6 command option option command