Answer:
12.) 5 × 12 = 5 (10 + 2) = (3 × 10) + (15 × 2)
- Distributive Property
13.) 6 × (3 × 2) = (6 × 3) × 2
- Associative Property
14.) 7 × 8 = 8 × 7
- Commutative Property