Convert ×4.1310−2 in nutritional Cal to units of kJ. Round your answer to 3 significant figures.
Question
Convert ×4.1310−2 in nutritional Cal to units of kJ. Round your answer to 3 significant figures.
Solution
To convert from nutritional Calories (Cal) to kilojoules (kJ), you need to know the conversion factor. 1 Cal is approximately equal to 4.184 kJ.
The given value is 4.1310^-2 Cal.
Step 1: Convert the scientific notation to a decimal. 4.1310^-2 = 0.04131 Cal.
Step 2: Use the conversion factor to convert from Cal to kJ.
0.04131 Cal * 4.184 kJ/Cal = 0.1728 kJ
So, 4.1310^-2 Cal is approximately equal to 0.173 kJ when rounded to three significant figures.
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