Convert 7.91 × 10- in nutritional Cal to units of kJ. Be sure your answer has the correct number of significant figures.
Note: Reference the Conversion factors for non-SI units table for additional information.
To convert from nutritional Cal to kJ, we can use the conversion factor 1 Cal = 4.184 kJ.
7.91 × 10^-2 Cal × 4.184 kJ/1 Cal = 0.331124 kJ
Therefore, 7.91 × 10^-2 Cal is equivalent to 0.331 kJ (rounded to 3 significant figures).