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4. Which statement is true about divisibility of 9?
a. A number is divisible by 9 if it is divisible by 2 and 3.
b. The sum of the digit is divisible by 3.
c. The ones digit are odd numbers
d. If the sum of all digit is divisible or multiple of nine.​


Sagot :

Answer:

letter A

Step-by-step explanation:

1.A

not sure correct me if I'm wrong

Answer:

D

Step-by-step explanation:

Cant be A cuz 3x9 = 27 not divisible by 2

Cant be C cuz 2x9 = 18 and 8 is an even number

Cant also be B because 12 is not divisible by 9

But letter D:

1x9 = 9

2x9 = 18 = 1+8 = 9

3x9 = 27 = 2+7 = 9

4x9 = 36 = 3+6 = 9

5x9 = 45 = 4+5 = 9

6x9 = 54 = 5+4 = 9

7x9 = 63 = 6+3 = 9

8x9 = 72 = 7+2 =9

9x9 = 81 = 8+1 = 9

10x9 = 90 = 9+0 = 9

The digits of the multiples of 9 will also create 9