1.

Verify the following:(3 × 7) × 5 = 3 × ( 7 × 5 )

Answer»

L.H.S : (3 × 7) × 5 = 21 × 5 = 105 

R.H.S : 3 × (7 × 5) = 3 × 35 = 105

∴ (3 × 7) × 5 = 3 × (7 × 5) 

∴ Multiplication of whole numbers is associative.



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