Problem #1

[tex]\frac{4}{7}[/tex] is

Problem #3

[tex]\pi[/tex] is

Problem #4

[tex]\sqrt{5}[/tex] is

Problem #5

Which of the following numbers is natural?

Problem #6

Which is a negative number?

Problem #7

Which number is not rational?

Problem #8

Which number is not irrational?

Problem #9

Which number is not real?

Problem #10

Which number is not rational?