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There are 864,00 seconds in a day. How many days long is a second? Express your answer in scientific notation.

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Question

There are 864,00 seconds in a day. How many days long is a second? Express your answer in scientific notation.

Sum
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Solution

Total seconds in a day = 86400

So, a second is long as `1/86400 = 0.000011574`

Scientific notation of 0.000011574 = 1.1574 × 10–5 days

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Chapter 8: Exponents and Powers - Exercise [Page 264]

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NCERT Exemplar Mathematics Exemplar [English] Class 8
Chapter 8 Exponents and Powers
Exercise | Q 145. | Page 264

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