The answer is (a - b)² because squaring is simply a number times another number. In this case, you have (a - b) multiplied by each other, so you can just put it together, and make it (a - b)².
Hey there!!
General formula:
We have:
... (a-b)(a-b)
This could be written as (a-b)²
Hence, the answer is :
<em>... (a-b)² or a²-2ab+b² </em>
<em>Hope my answer helps!</em>
Answer:
Step-by-step explanation:
First, 480 rounded to the nearest ten is:
480
second 480 rounded to the nearest ten is 481
