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The sun produces 3.9 ⋅ 10^33 ergs of radiant energy per second. How many ergs of radiant energy does the sun produce in 2.45 ⋅ 10^5 seconds?

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User D A Wells
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The distance between the tracks on the DVD is very small, so the answer is 7.4 ⋅ 10 ^-4 (the negative power of 10 means that the number 7.4 ⋅ 10 ^-4 is less than 0).
User Eugene Loy
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