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7: Evaluate 105 x 106 without multiplying directly.105 x 106 (100+5) x (100 + 6)(100)+ (5 + 6) (100)+ (5 x 6), using Identity- 10000 + 1100+30- 11130 |
Answer» <p>105×106 = (100+5)(100+6) = 100×100 + 5×100 + 6×100 + 5×6 = 10000 + 1100 + 30 = 11130 </p> | |