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13 May, 20:53

How many significant figures are in the number 4.0070 x 1012?

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  1. 13 May, 20:54
    0
    Answer: -

    4

    Explanation: -

    The number of significant figures in 4.0070 is 5.

    The number of significant figures in 1012 is 4.

    So during multiplication of significant figures, the number of significant figures in answer would be the smaller value 4.

    4.0070 x 1012 = 4055.084

    Rounding it off to 4 significant figures, it becomes

    4.0070 x 1012 = 4055
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