Question

Commutative Property
To check if the associative and the commutative property holds for integer addition, we evaluate
the following expressions and see if they are equal.
Expression 2
Is Expression 1 = Expression 2?
9+3
Yes
Expression 1
3 +90
(-48) +15=
71 +(-2) =
(-29) + (-17) =
15 + (-48)
(-2) +71
(-17) + (-29)​

Answer 1

Step-by-step explanation:

$w \: = mg = 40n \\ given \: \: \: r = 2r \\ \\ g(new) = \frac{gm}{ {(2r)}^{2} } \\ \\ g(new) = \frac{1}{4 } \times \frac{gm}{ {r}^{2} } \\ \\ so \: the \: weight \: of \: the \: object \: = \frac{1}{4} \times 40 = 10n$