Chapter 2, Problem 2.3YT

Interpretation Introduction

Interpretation:

The number of ounces of milk equal to $1.5\text{ L}$ of milk is to be calculated.

Concept Introduction:

Dimensional analysis is useful in converting one unit into another.

To convert a quantity $a{u}_1$ from one unit to another, that is, $u_1\to u_2$, first write the conversion factor $\frac{u_2}{u_1}$ and multiply it with the given quantity $a{u}_1$. Cancel the units to get the quantity in the desired unit as follows:

$a\cancel{u_1}\times \frac{u_2}{\cancel{u_1}}=a{u}_2$

The three rules for determining significant figures are:

Any zeros between two significant digits are significant.

A final zero or trailing zeros in the decimal portion ONLY are significant.

Non-zero digits are always significant.