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Verify associative property of multiplication and addition for a=5 by 2, b=12 by 5, c=7 by 12 |
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Answer» Step-by-step explanation:associative property :(i) for addition :a+(b+C)=5/2+(12/5+7/12)=5/2+(144/60+35/60)=5/2+(179/60)=150/60+179/60=329/60=5 and 39/60b+(a+c)= 12/5+(5/2+7/12)=144/60+(150/60+35/60)=144/60+185/60=329/60= 5 and 39/60 so ,associative property WORKS for addition.(ii)for multiplication:a*(b*c)=5/2*(12/5*7/12)=150/60*(144/60*35/60)=150/60*7/5=150/60*84/60=7/2=3 and 1/2 lets TRY another WAY,b*(a*c)=12/5*(5/2*7/12)=12/5*(30/12*7/12)=12/5*35/24=288/120*175/120=3 and 1/2 so, associative property is TRUE for multiplication.hope this helped . |
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