The subtraction below is in base seven. Find the missing number. 5 1 6 2seven…

The subtraction below is in base seven. Find the missing number.
5 1 6 2seven
-2 6 4 4seven
——–
2 * 1 5
——–
  • A.
    2
  • B.
    3
  • C.
    4
  • D.
    5
Correct Answer: Option A
Explanation

5 1 6 2seven
-2 6 4 4seven
——–
2 2 1 5
——–
the missing number is 2

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