a recipe for 1 loaf of banana bread uses 3/4 patty has 1 1/3 cups of bananas.
does patty have enough bananas to make 2 loaves of banana bread?

For this case we have that Patty has:

Banana cups

If she wants to make two loaves of banana bread, she needs:

banana cups

So, you don't have enough banana to make two loaves of banana bread.

Patty doesn't have enough banana to make two loaves of banana bread.

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