However, if you're breastfeeding exclusively (and that means frequently, day and night), if your baby is younger than 6 months and if your period hasn't resumed, the so-called lactation amenorrhea method can be 98 percent effective in preventing pregnancy.
Then x has a expansion of decimal which terminates. 3) Let x =p/q be a rational number, such that the prime factorization of q is not of the form 25, where n, m are non-negative integers. Then, x has a expansion of decimal which is non-terminating repeating (recurring).
1 You can also skip the work and have a online converter do the work for you, although it's a good idea to understand how the process works.  You can adapt the hexadecimal to decimal conversion to convert any other base x numbering system to decimal. Just replace the powers of sixteen with powers of x instead.