Question

If 7z29 is a multiple of 9
Where z is a digit what is
the value of z
​

Answer 1

Answer:

z=9

as 7+9+2+9 =27 which is divisible by 9 so z will be 9

Answer 2

Answer:

9,0

Step-by-step explanation:

7+z+2+9=(a multiple of 9) [by divisibility rule]

= 7+2+9 = 18

therefore z can either be 0 or 9