The place value of .000001 is one millionth
1x10^-6 = .000001 4.5x10^-6 = .0000045
The word for .000001 is one millionth.
.000001
Micro
1 millionths
one millionth
One in a million
000001
.000001
.000001 = one millionth
.000001%
.1 tenth .01 hundredth .001 thousandth .0001 ten-thousandth .00001 hundred- thousandth .000001 millionth so on and so forth