Use the following information to complete parts i, ii, and iii. 1 hour = 3600 seconds
1 year = 31556952 part i: use scientific notation to estimate the number of hours in one year. part ii: use scientific notation to calculate the exact number of hours in one year. part iii: in two or more complete sentences, compare your answers to parts i and ii. in your comparison, discuss similarities and differences in your answers.

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit