4/7
0.4
13/14
eighty and fourtenths fifty-threethousand
0.04% = 0.04/100 = 1/2500
.004
004 is the same as 4
Well, honey, the value of 004 is simply 4. When you see a number with a leading zero like that, it's just fancy dressing with no real substance. So, in this case, strip away the zeros and you're left with good old 4.
987 multiplied by 004 is 3,948
0.04
.004
.004 kg is 4 grams