0.000 006 is six millionths in decimal form

The way I remember is to write it "normal" and reverse it and insert a period after the first zero.

Like so:

6 000 000 <~ six zeros

0000006 <~ six zeros

0.000006 <~ with a period after the first zero

The way I remember is to write it "normal" and reverse it and insert a period after the first zero.

Like so:

6 000 000 <~ six zeros

0000006 <~ six zeros

0.000006 <~ with a period after the first zero