If 52z8 is a multiple of 9 where z is a digit what is the valueof z?
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A number is divisible by 9 if sum of it's digits are divisible by 9.
5+2+z+8 = 15+z must be divisible by 9.
Therefore, the possible value of z is 3
5+2+z+8 = 15+z must be divisible by 9.
Therefore, the possible value of z is 3
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This is the correct answer.
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