What is

0.7 x 10 = x 10 =
0.07 x 10 = x 10 =
0.23 x 10 =
0.023 x 10 =
0.004 x 10 =
0.404 x 10 =

when you multiply by 10 in our conventional tens base number system, move the decimal point one place to the right.

for example
0.27 * 10 = 2.7