content area top Part 1 Determine the following estimate without using a calculator. Then use a calculator to perform the computation necessary to obtain an exact answer. How reasonable is your estimate when compared to the actual answer? The average life expectancy in a certain country is 50.1 years. Estimate the country's life expectancy in hours by rounding the life expectancy to the nearest year. Question content area bottom Part 1 The average life expectancy for the country is approximately enter your response here hours. Part 2 The average life expectancy for the country is exactly enter your response here hours. Part 3 How reasonable is your estimate when compared to the actual answer? Select the correct answer below and fill in the answer box to complete your choice. A. The estimate is a little lower than the actual result. The difference is enter your response here hours. B. The estimate is a little higher than the actual result. The difference is enter your response here hours