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zubka84 [21]
3 years ago
5

I need help with this please help me if you are a good person

Mathematics
1 answer:
LenaWriter [7]3 years ago
3 0
6)
91 is a composite number because it's divisible by 7 and 13

7)
477 is divisible by 3 and 9, since the sum of its digits (18) is divisible by 3 and 9 ( or the sum is a multiple of 3 and 9) .Not divisible by 6

8)
348:is divisible by 4 because the last 2 digits (48) are a multiple of 4
348:is NOT divisible by 5 because the last  digit is neither 5 nor 0
348:is divisible by 6 because it's divisible by 2 and also by 3

9)
23624 is divisible by 8 because te last 3 digits (624) are divisible y 8
(624/8 =78)
None of the others are divisible by 8

10) A number is divisible by 6 IF IT'S DIVISIBLE BY 2 AND BY 3:
213 NO

468 is divisible by 2 since the last digit is divisible by 2. It's also divisible by
3 since the sum of its digits [18] is divisible by 3, hence 468 is divisible by 6

621 it's divisible by 3 but NOT by 2, then it's not divisible by 6

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