There are 390 minutes in six and a half hours.
Not 230 hours since that is two hundred thirty hours!
6hrs. 50min. 6 and 5/6 hours 6.83 hours.
1224
It is 5 hours and 6 minutes.
That is the half-life - the 6 hours in this case.That is the half-life - the 6 hours in this case.That is the half-life - the 6 hours in this case.That is the half-life - the 6 hours in this case.
There are 390 minutes in six and a half hours.
Half a dozen is 6.
Not 230 hours since that is two hundred thirty hours!
You write "six and a half hours" as 6.5 hours. Mathematically, that's the correct way to represent a number with a decimal point. So, there you have it - no need to complicate things!
~6 hours
6 hours
6hrs. 50min. 6 and 5/6 hours 6.83 hours.
1224
It is 5 hours and 6 minutes.
After 6 hours 50 % of Tc-99m is disintegrated.
6 < n/2