evaluate====–.. a)82^2-18^2 b) 196X204 c) (205)^2

Question

evaluate…………………………………………………. a)82^2-18^2 b) 196X204 c) (205)^2

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Anna 1 month 2021-08-14T05:43:20+00:00 1 Answer 0 views 0

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    2021-08-14T05:44:30+00:00

    Answer:

    a) 6400

    b) 39984

    c) 42025

    Step-by-step explanation:

    a) By using formula of a²-b² = (a+b)(a-b)

    = (82+18)(82-18)

    = 6400

    b) By multiplying 196 X 204

    = 39984

    c) By squaring 205

    = 205 X 205

    = 42025

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