if the unit digit of a perfect square number is 9 than what will be the unit digit of its. (a) 9 (b) 3 or 7 (c) 1( d) 1 or 9
Answers
Answered by
0
Answer:
d
Step-by-step explanation:
1 or 9
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Answered by
0
Answer:
3 and 7 is the correct answer
Step-by-step explanation:
Only those numbers, when squared will have 9 at their unit place are 4 and 3 and 7.
Because 3×3 = 9
and 7×7 = 9
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