Question

O is called the additive identity because

the answer options are this

1. (a+b)+c=a+(b+c)
2. a+b=b+a
3. a+0=0+a​

Answer 1

Answer:

3. a+0=0+a

Step-by-step explanation:

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Answer 2

Answer:

$3. \: a + 0 = 0 + a \\ \\ \\ \\ \\ thanks.........$