KRose5231 KRose5231
  • 19-08-2022
  • Mathematics
contestada

If j , k , and n are consecutive integers such that0 < j < k < n and the units (ones) digit of the productjn is 9, what is the units digit of k ?(A) 0(B) 1(C) 2(D) 3(E) 4

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