Mathematics for IGCSE & O level - Number (Section 1 - No. 44)
Which of the following sets of numbers are all natural numbers?
-1, 0, 1, 2
1, 2, 3, 4
0, 1, 2, 3
0.5, 1, 2, 3
Explanation
Natural numbers are the counting numbers 1, 2, 3, 4, and so on.
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