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Divisibility and primes
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28 Aug 2019, 23:28
28 Aug 2019, 23:28
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I am weak in Divisibility and Primes, what do you suggest me to do to improve my weaknesses in these areas?
Re: Divisibility and primes
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29 Aug 2019, 07:19
29 Aug 2019, 07:19
Expert Reply
Read the section regarding in our book.
Ask further assistance. We are here to help you
Regards
Ask further assistance. We are here to help you
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Regards
Re: Divisibility and primes
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30 Aug 2019, 07:55
30 Aug 2019, 07:55
Take the last digit, double it, and subtract it from the rest of the number, if the answer is divisible by 7
(including 0), then the number is divisible by 7.
what does that mean ?
(including 0), then the number is divisible by 7.
what does that mean ?
