When you see inversion of the operands, it indicates that it uses the "commutative" property.
So take another look at 1.
The rest are OK.
Note:
3) should read:
3. 5(7+1)=35+5
1. 4+7=7+4
2. 9+5+3=3+5+9
3. 5(7+1)=35+3
4. (1+2)+3=1+(2+3)
5. 6(a-3)=6a-18
6. (9+5)+4=5+(4+9)
A. Associative Prop of Addition
B. Associative Prop of Multiplication
C. Commutative Prop of Addition
D. Commutative Prop of Multiplication
E. Distributive Prop
1.A
2.C
3.E
4.A
5.E
6.A
2.
1 answer