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Simplify the following using brackets a. 101×105 b. 70×108 c. 61 × 110 |
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Answer» a)10605 ; b)7560 & c)6710Step-by-step explanation:a) 101 × 105= (100+1)(100+5)= (a+b)(a+c)= a² + ab + ac + bc= (100²) + (100×1) + (100×5) + (1×5)= 10000 + 100 + 500 + 5= 10605b) 70 × 108= 70 × (100+8)= a × (b+ c)= ab + ac= (70×100) + (70×8)= 7000 + 560= 7560c) 61 × 110= (60+1) × (100+10)= (a+b) × (c+d)= ac + AD + bc + bd= (60 × 100) + (60 × 10) + (1 × 100) + (1 × 10)= 6000 + 600 + 100 + 10= 6710Hope this helps mate :)Mark me as the BRAINLIST plzz :)Thanks....Regards, Aditya |
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