find the smallest digit that should be replaced at *place in the following number so that :
a) the number 87*21is divisible by 3
b) the number 835*86 is divisible by 9
c) the number 248*6 is divisible by 6
d) the number 1723*4is divisible by 11
please give me your answer with full explanation I will mark the correct answer brainliest and don't give wrong answer wrong answers will be reported
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Answer:
87 divisible by 3 first ok
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