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Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class


Transcript

Ex 1.2, 1 Find each of the following products: (a) 3 × (–1) 3 × (−1) = −3 Ex 1.2, 1 Find each of the following products: (b) (–1) × 225 (−1) × 225 = −225 Ex 1.2, 1 Find each of the following products: (c) (–21) × (–30) −21 × −30 = 21 × 30 = 21 × 3 × 10 = 63 × 10 = 630 Ex 1.2, 1 Find each of the following products: (d) (–316) × (–1) (−316) × (−1) = 316 × 1 = 316 Ex 1.2, 1 Find each of the following products: (e) (–15) × 0 × (–18) −15 × 0 × −18 = 0 Ex 1.2, 1 Find each of the following products: (f) (–12) × (–11) × (10) (−12) × (−11) × 10 = 12 × 11 × 10 = 132 × 10 = 1320 Ex 1.2, 1 Find each of the following products: (g) 9 × (–3) × (– 6) 9 × (−3) × (−6) = 9 × 3 × 6 = 9 × 18 = 162 Ex 1.2, 1 Find each of the following products: (h) (–18) × (–5) × (– 4) (−18) × (−5) × (−4) = (−18) × 5 × 4 = (−18) × 20 = −18 × 2 × 10 = −36 × 10 = −360 Ex 1.2, 1 Find each of the following products: (i) (–1) × (–2) × (–3) × 4 (−1) × (−2) × (−3) × 4 = (1 × 2) × (−3) × 4 = 2 × (−3) × 4 = −(2 × 3 × 4) = −(6 × 4) = −24 Ex 1.2, 1 Find each of the following products: (j) (–3) × (–6) × (–2) × (–1)(−3) × (−6) × (−2) × (−1) = (3 × 6) × (2 × 1) = 18 × 2 = 36

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.