Given the numbers: 161 cm, 0.161 cm, 0.0161 | vedclass

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Question

(B) Rules for significant figures state that all non-zero digits are significant. Zeros preceding the first non-zero digit are not significant.$1$. Fo

Vedclass · Accepted Answer

$3, 3$ and $3$ respectively

Vedclass · Answer

(B) Rules for significant figures state that all non-zero digits are significant. Zeros preceding the first non-zero digit are not significant.$1$. For $161 \ cm$,all digits are non-zero,so there are $3$ significant figures.$2$. For $0.161 \ cm$,the leading zero is not significant,so there are $3$ significant figures.$3$. For $0.0161 \ cm$,the leading zeros are not significant,so there are $3$ significant figures.Thus,the numbers have $3, 3$ and $3$ significant figures respectively.

List-$I$	List-$II$
$(1)$ $10^{-15}$	$(A)$ Peta
$(2)$ $10^{2}$	$(B)$ Centi
$(3)$ $10^{-2}$	$(C)$ Tera
$(4)$ $10^{12}$	$(D)$ Femto
$(5)$ $10^{15}$	$(E)$ Hecto

Given the numbers: $161 \ cm, 0.161 \ cm, 0.0161 \ cm$. The number of significant figures for the three numbers are

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Match the multipliers given in List-$I$ with their appropriate prefixes given in List-$II$.

List-$I$ List-$II$

$(1)$ $10^{-15}$ $(A)$ Peta

$(2)$ $10^{2}$ $(B)$ Centi

$(3)$ $10^{-2}$ $(C)$ Tera

$(4)$ $10^{12}$ $(D)$ Femto

$(5)$ $10^{15}$ $(E)$ Hecto

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