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Home  >>  JEEMAIN and AIPMT  >>  Physics  >>  Class11  >>  Units and Measurement
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$ 0.000070 kg$ of ink is filled in a fountain pen of mass $0.0152 kg$ . What is the total mass of filled fountain pen ?

$\begin{array}{1 1}(A)\;0.0153\;kg \\(B)\;2.3 \;kg \\(C)\;0.98 \;kg \\(D)\;2.5\;kg \end{array} $

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The total mass is :$0.000070 \;kg$ $+ 0.0152 \;kg$ = $0.015270\;kg$
rounding off to the significant place , we have Total mass = 0.0153 kg
Hence A is the correct answer.
answered Jul 10, 2014 by meena.p
edited Jul 11, 2014 by balaji.thirumalai

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