What is the 4th term in the sequence a(n)=-1/16(2)n-1

When turned about its axis of rotation, which shape could have created this three-dimensional object?

The function show two sisters' savings account and the rate at which they plan to deposit money

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