If 78*3945 is divisible by 11, where* is a digit, then* is equal to? full explanation
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Answer:Odd place:7+∗+9+5=21+∗
Even place: 8+3+4=15
(21 + *) - (15) = either 11 or 0
(21 + *) - 15 = 11
21 + * = 26
* = 5
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