1. 1.1 × 1.3 = 1.3 × 1.1 illustrates the _______.   commutative property of addition   associative property of multiplication   associative property of addition   distributive property of multiplication over addition   commutative property of multiplication   Hint Half-n-half Clue   2. −12.5 − (−5.8) + 7.6 + (−1.2) =   6.1   0.9   −7.9   −0.3   12.2   Half-n-half Clue   3. 3.73 × 11.8 + 88.2 × 3.73 =   373   373.986   329   328.986   37.3   Half-n-half Clue   4. 9.3 + (−7) − (−6.9) − 8.2 =   −8.3   −5.9   1   9.2   8   Half-n-half Clue   5. (−50) × (−0.2) × 4.3 × 1.1 =   −4.73   −47.3   4.73   473   47.3   Half-n-half Clue   6. 2.76 + 3.14 = 3.14 + 2.76 illustrates the _______.   commutative property of addition   distributive property of multiplication over addition   associative property of addition   commutative property of multiplication   associative property of multiplication   Half-n-half Clue   7. 3(6.3 + 9.5) = 3(6.3) + 3(9.5) illustrates the _______.   commutative property of multiplication   commutative property of addition   distributive property of multiplication over addition   associative property of multiplication   associative property of addition   Half-n-half Clue