Let us study the following examples- (i) (2+3)+4
2 +(3+4)
5+ 4
= 2 + 7
9
= 9
(ii) (-2+3) + 5
-2 + (3 + 5
1 + 5
= 2 + 8
6
6
(iii) (-2 + 3) + (-5) = (-2) + [3 + (-5)]
= (-2) + (-2)
4
1 +(-5)
-4
(iv) [(-2)+(-3)] + (-5)
-5+(-5)
-2 + [(-3) + (-5)]
-2+(-8)
-10
= -10
VII CLASS MATHEMATICS

Step-by-step explanation:

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

it alot will look like this 4.4

$650 per month plus utilities

step-by-step explanation:

just based on the info you gave, it would seem more cost effective to rent at $650 per month plus utilities.   if utilities are, in fact, $150 per month, your monthly living costs would be $800 as opposed to the other option of $825.