Answer :

Final answer:

To convert 145 pounds to kilograms, divide 145 by the conversion factor of 2.205. The final result, rounded to two decimal places, is approximately 65.76 kg.

Explanation:

To convert 145 pounds to kilograms using dimensional analysis, you would set up a unit fraction to cancel out the pounds and convert them to kilograms. The known conversion factor is that 1 kilogram is approximately equal to 2.205 pounds. Thus, you would need to divide 145 by 2.205 to get the weight in kilograms.

Here's the step-by-step calculation:

  1. Write down the quantity you want to convert (145 pounds).
  2. Write the conversion factor as a fraction (1 kg / 2.205 lb).
  3. Multiply the two, ensuring that the unit of pounds cancels out.
  4. This gives you (145 lb) * (1 kg / 2.205 lb).
  5. The pounds cancel each other out, leaving you with 145 / 2.205 kg.
  6. Perform the division to get the result in kilograms.
  7. The final answer, rounded to two decimal places, is approximately 65.76 kg.

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Rewritten by : Barada