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  1. J

    Please check and correct my SIGNIFICANT FIGURES in the calculations below that I

    have done? 1) 20.52 - 0.34 = 20 2) 48.10 - 20.52 = 27.6 3) 21.99 - 1.10 = 21 4) 49.48 - 21.99 = 27.49 5) 22.78 - 0.32 = 22
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