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What is a rational number ?

• A rational number  is a number that cannot be written as a fraction.
• A rational number is a number that can be written as a fraction.
• A rational number cannot be a repeating  decimal.

What is a rational number ?

• A rational number  is a number that cannot be written as a fraction.
• A rational number is a number that can be written as a fraction.
• A rational number cannot be a repeating  decimal.

What type of number is π ?

• Rational
• Irrational

√7

• Rational 
• Irrational

√25

• Rational
• Irrational

The decimal of an irrational number doesn't repeat with a pattern.

• true
• false

Which of the following is rational?

• .211232112421125. . . .
• π
• √25
• √12

The set of all whole numbers and their opposites.

• Natural
• Whole
• Integer
• Rational

The set of all numbers that CANNOT be written as a ratio of two integers.

• Irrational
• Whole
• Integer
• Rational

{0, 1, 2, 3, 4, 5...}

• Natural
• Whole
• Integers
• Rational