For each growth rate below, () use the rule of 70 to calculate how long it will take incomes to double, and (i) if each country starts with an income of $1,000 per capita, use the exponential growth...

Extracted text: For each growth rate below, () use the rule of 70 to calculate how long it will take incomes to double, and (i) if each country starts with an income of $1,000 per capita, use the exponential growth equation to calculate what the income will be in 30 years. Instructions: Round your answers to one decimal place. Tears for incomes Incomes in to 30 years double a. 4 percent 175 10 b. 7 percent C. 2.5 percent d. 10 percent e. 3 percent 28 233