Question 24 of 25intermediate🔧 ApplyNumerical3 marks

Given that (−548) × 972 = −532656, write the values of: (a) (−547) × 972 (b) (−548) × 971 (c) (−547) × 971

(a)
Answer

−531684

(b)
Answer

−532108

(c)
Answer

−531137

Explanation

(a) (−547) × 972 = (−548 + 1) × 972 = −532656 + 972 = −531684 (b) (−548) × 971 = (−548) × (972 − 1) = −532656 + 548 = −532108 (c) (−547) × 971 = (−548 + 1) × (972 − 1) = −532656 + 548 + 971 − 1 = −531137

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