You can go approximately 1/4 mile before the phone will start to get fuzzy and then drop the call.
It has a range of 5 meters I beleive.
A 150 grain bullet shot from a 308 will start dropping the fraction of a second it leaves the barrel.
You can be up to 60 feet away from the phone.
Because cordless telephones are communicating to the base unit through a signal. So if you get a call, your base unit will direct the call to the cordless device. If the cordless device can't receive a signal from the base unit, it will stop working.
Most cordless phones will allow users to talk up to 100 feet away from the base without degredation.
60 feet
far
60 feet
Unless the number happens to be a straightforward power of the base of the logs, the answer is that you cannot without some access to tables or a scientific calculator. There are Maclaurin series for the log function but without a powerful calculator, you will not get far with them.
Call Of Duty by far
To get the yellow fish on club penguin, go to the far left and there will be a cave with a roof that looks holey. Jump up and hit the top. A worm with fall out and you have to catch it with your hand thing (or whatever you call it)! Then carefully make your way to the yellow fish, without dropping it, and the yellow fish will eat it. Then go over to the big fish and it will eat the yellow fish.
Far off base; not at all relevant or likely.