Answer:
a.

b.

c.

d

Explanation:
To find the fraction of a decimal point we first need to write the decimal number as a fraction over 1.

Then we need to multiply top number and bottom number by
where n represents the number of decimal places it moved to make it a whole number.
In this case we moved the decimal point 4 decimal places.
So that leaves us with
.

Now let's do it with the rest:
b.

We moved it 2 decimal places.

c.

We moved it 3 decimal places.

d.

We moved it 4 decimal places.
