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Hanuman_2000 Posted 14 years ago
Grammar

At/in

Hello,

I was reading a math book. I am confused with the use of at /in preposition. Here are the following sentences.

1.If a number has 1or 9 in the unit's place.....

2. None of these end with 2,3,7 at unit's place.

Are both correct? If yes, then how to understand it.

Please explain it.

Thanks
  

Top answer

If they are used in your math book, then I presume they are OK. I would think so independently also, though 'in' is the usual. On the other hand, 'unit's place' sounds odd: I would think 'unit place'.

  • If they are used in your math book, then I presume they are OK.
  • I would think so independently also, though 'in' is the usual.
  • On the other hand, 'unit's place' sounds odd: I would think 'unit place'.
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2 Answers
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If they are used in your math book, then I presume they are OK. I would think so independently also, though 'in' is the usual. On the other hand, 'unit's place' sounds odd: I would think 'unit place'.
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I think your math book is using English that is not so good. "At unit's place" would need an article if "at" was even possible. Anyway, it's "the ones place" (no apostrophe), not "the unit's place". Ignore the bad English in your math book.

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