The bigger value is 0.0004. Not rocket science really.
00004 = 4
4 ten thousands
0.0000004
0.00004 is 4.0 x 10-5.
No, if there is a negative number then you put that many numbers before the root number. For example, 7x10^-5= .000007
Greater than
00004 = 4
000007
000007
0.04%0.0004= 0.0004 * 100%= 0.04%
7 x 10-6
4 ten thousands
It is: 7.0*10^-6
.00004
10 microns!
0.0000004
0.00004 is 4.0 x 10-5.