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    Question

    Determine the value of

    (0.88)2ย 
    A 0.7744 Correct Answer Incorrect Answer
    B 0.7044 Correct Answer Incorrect Answer
    C 0.6744 Correct Answer Incorrect Answer
    D 0.7799 Correct Answer Incorrect Answer

    Solution

    Since, (0.88) 2 = (1 โ€“ 0.12) 2 And, we know that; (a โ€“ b) 2 = a 2 + b 2 โ€“ 2ab So, (0.88) 2 = (1 โ€“ 0.12) 2 = 1 2 + (0.12) 2 โ€“ 2 ร— 0.12 = 1 + 0.0144 โ€“ 0.24 = 0.7744ย 

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