Browse Questions

# $0.000070 kg$ of ink is filled in a fountain pen of mass $0.0152 kg$ . What is the total mass of filled fountain pen ?

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

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.
edited Jul 11, 2014