Question

Pls help hurry man cmon

Answer 1

Indicate which property is illustrated in step 3?

`\rm \: Step \: 3 \asymp > 1 + 19`

• Associative property of addition

This property states that when performing addition, how numbers are grouped will not change the resulting sum...~

Answer 2

associative property of addition.

In step 3:

1 + 19

20

Here we will add the integers, so division and multiplication eliminated.

• Inverse property of addition is: a + (-a) = 0, which will result 0 always