Complete the mathematical sentences in each column in order to illustrate the corresponding property stated
1.) 25 + 30 = _ (Closure PA)
2.) -9 × 5 = 5 × _ (Commutative PM)
3.) 8+(-8) = _ ( Inverse PA)
4.) -7 x 1 = _ (Identity PM)
5.) (-2+3)+7=_+ (3+7) (Associative PA
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Answer:
1. 55
2. -9
3. 0
4. -7
5. -2
(operations)