Question
A 150 -lb person burns about 2700 Calories to run a marathon. Howmuch energy is burned in ky? Assume two significant figures.
Step 1
We know that 1 kilocalorie equals 1000 calories. So, we multiply the given energy in kilocalories by 1000 to get the energy in calories. \[2700 \text{ kilocalories} = 2700 \times 1000 \text{ calories} = 2,700,000 \text{ calories}\] Show more…
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A 150 -lb person burns about 2700 Calories to run a marathon. How much energy is burned in ky? Assume two significant figures.
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