for what value of z, a number 21z5 is divided by 9
Answers
Answered by
0
Answer:
The X should be-1
Step-by-step explanation:
Because we add 2+1+1+5=9
It is divide by 9
Answered by
0
Answer:
The answer is 1
Step-by-step explanation:
The divisibility rule of 9 is that the sum of the digits should be DIVISIBLE by 9. adding the digits in the number 21z5 we get 2+1+5+z= 9 or divisible by 9
therefore; 8+z is divisible by 9.
z can be only 1 and not any other value as it has to be single digit.
The answer is 1.
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