The number of significant figures in 23.023,0 | vedclass

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Question

(C) For $23.023$,all non-zero digits and the zero between them are significant. Thus,the number of significant figures is $5$.For $0.0003$,the leading

Vedclass · Accepted Answer

$5, 1, 2$

Vedclass · Answer

(C) For $23.023$,all non-zero digits and the zero between them are significant. Thus,the number of significant figures is $5$.For $0.0003$,the leading zeros are not significant. Only the digit $3$ is significant. Thus,the number of significant figures is $1$.For $2.1 	imes 10^{-3}$,the power of $10$ does not contribute to significant figures. The digits $2$ and $1$ are significant. Thus,the number of significant figures is $2$.Therefore,the significant figures are $5, 1, 2$.

Column-$I$	Column-$II$
$(a)$ $0.007\ m^2$	$(p)$ $2$
$(b)$ $2.64 \times 10^{24}\ kg$	$(q)$ $1$
$(c)$ $0.0021\ g\ cm^{-3}$	$(r)$ $4$
$(d)$ $0.0006032\ J$	$(s)$ $3$

The number of significant figures in $23.023$,$0.0003$,and $2.1 \times 10^{-3}$ are respectively:

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Column-$I$ Column-$II$

$(a)$ $0.007\ m^2$ $(p)$ $2$

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$(c)$ $0.0021\ g\ cm^{-3}$ $(r)$ $4$

$(d)$ $0.0006032\ J$ $(s)$ $3$

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