Question

Identify the number that does not belong with the other three. Explain your reasoning. negative 10 over 2, negative 13.4, square root 18, 22.7 repeating 7

Answer 1

3 of these are rational numbers , the other is irrational

Answer 2

a rational number is a whole number ( positive or negative, or a number that can be written as a fraction

Answer 3

an example of an irrational number is square root of 10

Answer 4

- 13.4 is a rational number because it can be written as -13 4/10 or -134/10

Answer 5

the decimal part is really a fraction eg 0.3 = 3/10