Chapter 0.3, Problem 20E

To determine

To calculate:have calculated product of the given value.

Answer to Problem 20E

Product of the given value is 4.29027

Explanation of Solution

Given that: $1.723\times 2.49$

Step1 - The given decimal numbers are multiplied in the same manner as the whole number, Overlook the decimal point.

  $\begin{array}{c}\begin{array}{l}1.723\\ \times 2.49\end{array}\\ \begin{array}{l}15507\\ 6892\\ 3446\end{array}\\ 429027\end{array}$

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

  $\begin{array}{c}\begin{array}{l}1.723\leftarrow 3\text{decimal digit}\\ \times 2.49\leftarrow 2\text{decimal digit}\end{array}\\ \begin{array}{l}15507\\ 6892\\ 3446\end{array}\\ 429027\leftarrow 2\text{decimal digit}\end{array}$