Do they really need to be this exact?

Yes, this will be a nitpick.  The story:

Heavy rains and another potentially powerful storm headed toward Myanmar's cyclone-devastated delta on Wednesday. The U.N. warned that inadequate relief efforts could lead to a second wave of deaths among the estimated 2 million survivors.

The International Red Cross said in a new estimate that the death toll already may be between 68,833 and 127,990.

If you are going to be quoting a range of death numbers like that, do you really have to be exact at the upper and lower limits?  Considering the real number could be any one of 59,157 possibilities, would even numbers have just sufficed?  Or are these exact numbers in a guesstimate designed to personalize this for people in some way?