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Use the properties of whole numbers and simplify. (i) 50 x 102 (ii) 500 x 689 – 500 x 89 |
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Answer» (i) 50 x 102 = 50 x (100 + 2) = (50 x 100) + (50 x 2) = 5000 + 100 = 5100 (ii) 500 x 689 – 500 x 89 = 500 x (689 – 89) = 344500 – 44500 |
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