Answer :
I presume you mean how many times will 70 divide by 2 to give a whole number. 70 will divide once by two to give a whole number.
However if you did not mean this then 70 will divide infinitely many times by 2 each time getting an answer closer to 0.
However if you did not mean this then 70 will divide infinitely many times by 2 each time getting an answer closer to 0.