Commutative and Associative Properties
Simplify 5 · P · 2.
10P
Which expression is not equivalent to a · c · 5 · 5?
10ac
Simplify (4x) · mn · 15 · 2.
120mnx
Simplify jk · 6 · 3.
18jk
Which of the following statements uses the commutative property of addition?
2 + (3 + 4) = 2 + (4 + 3)
Simplify (5a)(5b).
25ab
Which expression is not equivalent to 3 · S · R?
3 + S + R
Simplify (12ab)(3t).
36abt
Simplify 7 · 6 · 2h · d.
84dh
Which expression is not equivalent to 8 · x · 2 · y?
8x + 2y
associative property
a property of the real numbers which states that how numbers are grouped in a sum or product does not change the value
commutative property
a property of the real numbers which states that the order in which numbers are added or multiplied does not change the value
Simplify 9 + 7 + n.
n + 16
Simplify 7.5 + n + 9.63.
n + 17.13
Simplify 5 + n + (15 - 2).
n + 18
Simplify 7.95 - 3.86 + n.
n + 4.09
Simplify 20 + (2 + r).
r + 22
Simplify x + 15 - 4.
x + 11
Simplify x + 6.2 + 8.5.
x + 14.7