Question

ASAP PLSSSSSSSSSSSSSSSSSSSSSSSSSSS
(100 points)

Answer 1

Its communative property

`\boxed{\sf a+b=b+a}`

Lets come to question

`\\ \sf\longmapsto 15+0=15`

`\\ \sf\longmapsto 15+0=0+15`

Hence verified

Answer 2

identity property

Explanation:

The sum of 0 and any number is that number is the identity property of addition

a+0=a

15+0=15