78.46
write above each other with decimal point in same place ...
70.00
08.00
00.40
00.06
then add up
100, 006, 000 is the answer you are looking for.
100 000 052 006
Six thousandths.
40+9+.03+.006
4 006 000 = 4.006*106
.006
.006 seconds
.006
Six thousandths.
3/50
0+.90+.006
six thousandths.