Chapter PSS, Problem 12E

Interpretation Introduction

(a)

Interpretation:

The number of significant digits in $\text{500}\text{cm}$ is to be stated.

Concept introduction:

All non-zero digits are significant digits. The significant digits are taken by counting the digits from left to right and starting from the first non- zero digit. There are two rules that describes the counting of significant digits,

(1) Count the significant digits starting with the first non-zero digit.

(2) In significant digits placeholder zero will not be counted.

Interpretation Introduction

(b)

Interpretation:

The number of significant digits in $\text{5000}\text{g}$ is to be stated.

Concept introduction:

All non-zero digits are significant digits. The significant digits are taken by counting the digits from left to right and starting from the first non -zero digit. There are two rules that describes the counting of significant digits,

(1) Count the significant digits starting with the first non-zero digit.

(2) In significant digits placeholder zero will not be counted.

Interpretation Introduction

(c)

Interpretation:

The number of significant digits in $\text{0}\text{.05}\text{mL}$ is to be stated.

Concept introduction:

All non-zero digits are significant digits. The significant digits are taken by counting the digits from left to right and starting from the first non -zero digit. There are two rules that describes the counting of significant digits,

(1) Count the significant digits starting with the first non-zero digit.

(2) In significant digits placeholder zero will not be counted.

Interpretation Introduction

(d)

Interpretation:

The number of significant digits in $\text{0}\text{.005}\text{s}$ is to be stated.

Concept introduction:

All non-zero digits are significant digits. The significant digits are taken by counting the digits from left to right and starting from the first non- zero digit. There are two rules that describes the counting of significant digits,

(1) Count the significant digits starting with the first non-zero digit.

(2) In significant digits placeholder zero will not be counted.