Juan analyzes the amount of radioactive material remaining in a medical waste container over time. he writes the function f(x) = 10(0.98)x to represent the amount of radioactive material that will remain after x hours in the container. rounded to the nearest tenth, how much radioactive material will remain after 10 hours?

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