Chapter 0.3, Problem 19E

To determine

To calculate:have calculated product of the given value.

Answer to Problem 19E

Product of the given value is 3993.

Explanation of Solution

Given that: $145.2\times 27.5$

Calculation:

Step 1 - The given decimal numbers are multiplied in the same manner as the whole number, Overlook the decimal point.

  $\begin{array}{c}\begin{array}{l}145.2\\ \times 27.5\end{array}\\ \begin{array}{l}7260\\ 10164\\ 2904\end{array}\\ 399300\end{array}$

Step 2 - compute the number of decimals in the given product, and place the decimal point in the product.

  $\begin{array}{c}\begin{array}{l}145.2\leftarrow 1\text{decimal digit}\\ \times 27.5\leftarrow 1\text{decimal digit}\end{array}\\ \begin{array}{l}7260\\ 10164\\ 2904\end{array}\\ 3993.00\leftarrow 2\text{decimal digit}\end{array}$