Use the commutative or the associative property to complete the given statement. State which property is used. $$ \begin{array}{l}(2+6)+8=2+(\quad+8) \ (2+6)+8=2+(\square+8)\end{array} $$

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To complete the given statement, we can use the associative property of addition. The associative property states that the way in which numbers are grouped in addition does not change their sum.

Given the expression:

$$
(2+6)+8=2+(\quad+8)
$$

We can see that $$ (2+6) $$ can be grouped differently. We can rewrite it as:

$$
(2+6)+8 = 2+(6+8)
$$

Thus, we can fill in the blank with $$ 6 $$:

$$
(2+6)+8=2+(6+8)
$$

So, the completed statement is:

$$
(2+6)+8=2+(6+8)
$$

**Property Used:** Associative Property of Addition.
To complete the statement, use the associative property of addition. The completed equation is: $$ (2+6)+8=2+(6+8) $$ **Property Used:** Associative Property of Addition.

Use the commutative or the associative property to complete the given statement. State which property is used. \[ \begin{array}{l}(2+6)+8=2+(\quad+8) \\ (2+6)+8=2+(\square+8)\end{array} \]

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