Chapter 1.5, Problem 1.15P

(a)

Interpretation Introduction

Interpretation:

Calculations have to be carried out for $\text{27}\text{.8}\text{cm+0}\text{.246 cm}$ and the answer has to be provided using proper number of significant figures.

Concept Introduction:

Significant figures:  The digits that are measured in a number including one estimated digit are called as significant figures.

The answers for those calculations that involve addition and subtraction will have the same number of decimal places as the original number with the fewest decimal places.

(b)

Interpretation Introduction

Interpretation:

Calculations have to be carried out for $\text{102}\text{.66}\text{mL+0}\text{.857}\text{mL+24}\text{.0}\text{mL}$ and the answer has to be provided using proper number of significant figures.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

Calculations have to be carried out for $\text{54}\text{.6}\text{mg-25}\text{mg}$ and the answer has to be provided using proper number of significant figures.

Concept Introduction:

Refer to part (a).

(d)

Interpretation Introduction

Interpretation:

Calculations have to be carried out for $\text{2}\text{.35}\text{s-0}\text{.266}\text{s}$ and the answer has to be provided using proper number of significant figures.

Concept Introduction:

Refer to part (a).