Please look at the picture attached

I looked at it..

Step-by-step explanation:

Now what..?

1. 22

2. 1

3. 7

4. 18

step-by-step explanation

e2020 got it right

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents