<h2>
Answer:</h2>
↓∴↓∴↓∴↓∴
<h3>
Step-by-step explanation:</h3>
Definition:
The associative property states that you can add or multiply regardless of how the numbers are grouped. By 'grouped' we mean 'how you use parenthesis'. In other words, if you are adding or multiplying it does not matter where you put the parenthesis.
Answer:
90? i thinkkkk
Step-by-step explanation:
Answer:

Step-by-step explanation:

Then

So

Answer: 80%
Step-by-step explanation:
first, we find how 20 is related to 100. 20*5 is 100, and so we have to multiple 16*5, which is 80.