Answer:
That is the<u> associative property</u>. In addition, it doesn't matter what order you add things in, so you can "associate" any grouping of additions and get the same result:
(a+b)+c = a+(b+c)
Note that this is true for multiplication as well:
(a*b)*c = a*(b*c)
31500
Step-by-step explanation:
h t t p s://www.y o utube.com/watch?v=sSqJQVjkgBM
0.0165
You multiply 55 by .03%
third one
area = pi * R^2 = pi * 1^2 = pi ft^2