Chapter 0, Problem 24P

To determine

To find: the product of the given number

Answer to Problem 24P

The required product is, $49\times 3.7=\mathrm{181.3.}$

Explanation of Solution

Given: $49\times 3.7$

Calculation:

So, count no of digits after decimal in each entry.

These are 0 and 1

Add them get 1, which is no. of digits (from right) after which to place decimal.

  $\begin{array}{l}\text{ 49}\\ \underset{\_}{\times \text{ 37 }}\\ \text{ 343 Obtain by multiply 49 by 7}\\ \underset{\_}{\text{+ 147 Obtain by multiply 49 by 3}}\\ \text{ 1813 Add}\end{array}$

Now, place decimal after 1 digit from right to get, product to be $\mathrm{181.3.}$

Conclusion:

Hence, the required product is, $49\times 3.7=\mathrm{181.3.}$