Question

What can be the last digit of a square number? 1) 2
2) 7
3) 4
4) 8

Answer 1

Answer:

3) 4

Step-by-step explanation:

Square numbers can only end in 1, 4, 9, 6, 5

Answer 2

Answer:

1) 2² = 4

2) 7² = 49

3) 4² = 16

4) 8² = 64

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