1. This is a rule which helps a person identify if a number is divisible by nine.
There is no specific answer to why this is observed but I believe that is just how multiples of nine and three behave!
It is the same with the multiples of three as well!
By the way the 6 digit number could be 513315
thanks, hope that helps!!
Answer:
The number is 623.
Step-by-step explanation:

Answer:
answer is second one
Step-by-step explanation:
The length is between 11 and 12 inches.
√140 = 11.83 inches