Evaluate using suitable identity:

14.7 X 15.3

14.7 = 15 - 0.3 and 15.3 = 15 + 0.3

(a-b)(a+b) = a2 - b2therefore(15-0.3)(15+0.3) = 152 - 0.32 = 225 - 0.09 = 224.91

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