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Which of the following number would have digit 9 at units place? A)49² B)61² C)47² D)19²
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1 vote
Which of the following number would have digit 9 at units place?

A)49²
B)61²
C)47²
D)19²

User Demux
by
8.6k points

2 Answers

6 votes
The answer will be C
User Onurbaysan
by
8.6k points
4 votes

Answer:

C

Explanation:

cause 7 x7 = 49....make sense?

User Gce
by
8.1k points
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