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5/32 MCQs for:

NUMBER & NUMERATION: Natural Numbers

If a natural number is multiplied by 0, what is the result?

0.

The original number.

Undefined.

1.

What is the square of the smallest prime number?

4.

9.

1.

2.

Which of the following operations will always result in a natural number?

Addition of two natural numbers.

Division of two natural numbers.

Subtraction of two natural numbers.

None of the above.

If n is a natural number, which of the following is true?

n × n = n.

None of the above.

n - n = n.

n + n = 2n.

Which of the following is true regarding natural numbers?

They include negative numbers.

They include fractions.

They are closed under addition.

They can be zero.