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

Answer

Total seconds in a day $= 86400$
So, a second is long as $\frac{1}{86400}=0.000077574$
Scientific notation of $0.000011574=1.1574\times10^{-5}\text{days}$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free