In each of the following number,replace*by the smallest number to make it divisible by 3: 8*711 yes or no
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Answer:
f a no is divisible by 3 then the sum of its digits must be divisible by 3
we have
8+*+7+1+1
=17+*
therefore the smallest no to be added is
1
because
17+1=18
1+8=9
and 9 is clearly divisible by 3
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