what are the closest two fractions (simplest form) that this nymber fits between. 0.10100100010000?
to make a fraction write the numbers
1010010001
then count the digits (all of them include the final zeroes) 14
now make a fraction (put the number over 1 followed by 14 zeroes
101001001/100000000000000
two closest are the number minus 1 and the number plus 1
101001000/100000000000000
and 101001002/100000000000000