College

Make an approximate conversion from English to metric. Round your answer to the nearest tenth.

Convert 221 lb to kilograms.

[tex]221 \, \text{lb} = \, \text{kg}.[/tex] (Round to the nearest tenth.)

Answer :

To convert 221 pounds to kilograms, you can use the conversion factor that 1 pound is approximately equal to 0.45359237 kilograms. Here's a step-by-step guide on how to carry out this conversion:

1. Identify the conversion factor:
- 1 pound = 0.45359237 kilograms.

2. Multiply the weight in pounds by the conversion factor:
- [tex]\( 221 \text{ pounds} \times 0.45359237 \text{ kg/pound} \)[/tex].

3. Calculate the result in kilograms:
- When you multiply 221 by 0.45359237, you get approximately 100.24391377 kilograms.

4. Round the result to the nearest tenth:
- The number 100.24391377 rounded to the nearest tenth is 100.2.

So, 221 pounds is approximately 100.2 kilograms when rounded to the nearest tenth.