The standard notation for 6.256 x 10-001 = 0.6256
001 = 1 is 1 or 1*10^0.
.001 percent = .001 per hundred = .01 per thousand = 10 per million
0.001 of a percent = 0.1%
No
1 x 10^-3
1 x 10^-3
.001
0.001 is 0.1%
one-thousandth of one percent
0.001 673 = 1.673*10-3
One tenth of one percent is equal to 0.1 percent.