Marco is $35,$ and plans to retire at $65.$ His dream is to take a trip around the world after he retires, and

figures he will need $$100,000$ to do it$.$ His financial planner told him that his investments would likely

double in value every $10$ years. Figure out how much Marco would need to invest now to have enough for

his trip when he retires. Complete the table below showing how that investment grows.