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Laws of Exponents for Real Numbers

Question 145 ...

Question

Question 145

There are 86400 sec in a day. How many days long is a second? Express your answer in scientific notation.

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Solution

Total seconds in a day = 86400
So, a second is long as $\frac{1}{86400}$ = 0.000011574
Scientific notation of 0.000011574 = $1.1574 \times 10^{- 5}$ days

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Question 145

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