Answer :

We have:

  • [tex]\sqrt{6}\times 0 = 0[/tex], which is rational, since it's an integer
  • [tex]\pi\div\pi = 1[/tex], which is rational, since it's an integer.
  • [tex]10\pi-7\pi=(10-7)\pi=3\pi[/tex] which is irrational, because it's the product of an integer and an irrational
  • [tex]\sqrt{49}+\frac{1}{3}=7+\frac{1}{3}[/tex] which is rational, because it's the sum of an integer and a rational.

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