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chemistry

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do the arithmetic and give the answer to the correct number of significant figures. (1.5 x 10^-4 x 61.3) + 2.01 =

  • chemistry - ,

    1.5E-4*61.3 = 0.00920 (which has too many s.f. That rounds to 0.0092 to two s.f.
    2.01
    +0.0092
    ----------
    2.0192
    which rounds to 2.02 since we can't count anything past the 0.01 place.

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