Question

If 23z is a multiple of 9. Find the value of z

Answer 1

Answer:

4

Step-by-step explanation:

23z is a multiple of 9.

2 + 3 + z = 9

5+z = 9

z = 4

Answer 2

Answer:

4

Step-by-step explanation:

because the number which is multiple of 9...,,,the sum of the digits in the number is equal to multiple of 9 (2+3+z)=9 so 5+z =9 and the value of z is 4!