Chapter 0, Problem 25P

To determine

To find: the product of the given number

Answer to Problem 25P

The required product is, $82.7\times 6.72=555.744$

Explanation of Solution

Given: $82.7\times 6.72$

Calculation:

Add them get 3, which is no. of digits (from right) after which to place decimal.

  $\begin{array}{l}\text{ 827}\\ \underset{\_}{\times \text{ 672 }}\\ \text{ 1654 Obtain by multiply 872 by 2}\\ \text{+ 5789 Obtain by multiply 872 by 7}\\ \underset{\_}{+\text{ 4962 Obtain by multiply 872 by 6}}\\ \text{ 555744 Add}\end{array}$

Now, place decimal after 3 digits from right, get, product to be 555.744.

Conclusion:

Hence, the required product is, $82.7\times 6.72=555.744$