Question
(91.004)2 - (40.003)2 -
(52.9)2 = ? What approximate value should come in place of the question-mark (?) in the following question (You are not expected to calculate the exact value).Solution
(91.004)2 - (40.003)2 - (52.9)2 = ? (91)2 - (40)2 - (53)2 = ? 8281 - 1600 - 2809 = ? ? = 3872
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