Question
(18.22) 2.02 + (13.89) 2.12 –
(44.88) 2.07 = ? – 1604.85 What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)Solution
ATQ, (18.22) 2.02 + (13.89) 2.12 – (44.88) 2.07 = ? – 1604.85 (18)2 + (14)2 – (45)2 ~ ? – 1605 324 + 196 – 2025 ~ ? – 1605 2125 – 2025 ~ ? ? ~ 100
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