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Q:if x= 2x10^5 and y=3x10^-3 correct to one significant figure,find the greatest and least possible value of:
i)x/y

  • math -

    The greatest value is 2.5*10^5/2.5*10^-3 = 1.00*10^8.

    The numerator is the largest number that rounds off to 2*10^5 and the denomimator is the smallest number that rounds off to 3*10^-3.

    The least value is 1.5*10^5/3.5*10^-3 = 4.29*10^7

  • maths -

    thanx a ton...u helped me a lot...

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