Take the 2-minute tour ×
Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. It's 100% free, no registration required.

I have been going through my textbook trying to solve this problem but I can't seem to completely understand. It seems so simple yet I can't figure it out. How do I go about solving this?

share|improve this question
    
$2h = n^2 \cdot 10^{-6} s$. Now $1h = 60\cdot 60s$... –  Vittorio Patriarca Jun 5 '12 at 14:40
add comment

1 Answer

up vote 2 down vote accepted

2 hours is equal to $2\times 3600\times 1000000$ microseconds which is $7200000000$ microseconds.

So you want to find $n$ such that $n^2 = 7200000000$.

share|improve this answer
    
Thank you both for the insight. I understand the problem now. Much appreciated. –  Jack S. Jun 5 '12 at 14:58
add comment

Your Answer

 
discard

By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.