Is {10 × (5 + 2)} = {(10 × 5) + (10 × 2)} ? Which rule is this? [4 MARKS]

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Solution

LHS : 1 Mark
RHS : 1 Mark
Answer : 1 Mark
Rule : 1 Mark

LHS = {10 × (5 + 2)}
= 10 × (7)
= 70

RHS = {(10 × 5 ) + (10 × 2 )}
= {50 + 20}
= 70

Hence , LHS = RHS

This rule is known as Distributivity of multiplication over addition.

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