Question

use the tests of divisiblity to supply the smallest possible digit in that 7*1is divisible by 11​

Answer 1

Answer:

Step-by-step explanation:

The missing digit will be 8

Answer 2

Answer:

If the number of digits is even, add the first and subtract the last digit from the rest. The result must be divisible by 11. If the number of digits is odd, subtract the first and last digit from the rest. The result must be divisible by 11.