Convert 5.02 × 10-2 in nutritional Cal to units of kJ. Be sure your answer has the correct number of significant figures.

Question

Note: Reference the Conversion factors for non-SI units table for additional information.

Answer 1

To convert from nutritional calories to kilojoules, we will use the conversion factor: 1 Cal = 4.184 kJ.

Therefore, to convert 5.02 × 10^-2 Cal to kJ:

5.02 × 10^-2 Cal * 4.184 kJ/1 Cal = 0.21017 kJ

Rounded to the correct number of significant figures, the answer is 0.21 kJ.