since you're flipping a coin, the probability of getting heads is 1/2 and the probability of tails, obviously, is 1/2.
if you're going to find the probability of flipping the coin three times and getting heads three times, you multiply .5 x .5 x .5 (since you are trying to find the decimal ["ROUND TO THE NEAREST THOUSANDTHS], convert the fractions to decimals), giving you .125.
you don't even need to round in this case.
-brosshades
