Question

state the test of divisibility for 9
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Answer 1

Answer:

9= 1,3, 9

please mark as brainlist answer

Answer 2

Answer:

a number is divisible by 9, if the sum is a multiple of 9 or if the sum of its digits is divisible by 9.

Step-by-step explanation:

for example- 18 , 36 , 72 ,81, etc