Answer: 64, 16, 4, 1, 1/4, 1/16, 1/64

Step-by-step explanation:

As you can see in the given, (64,16,4,1), it keeps on being divided to 4,

64/4 = 16

16/4= 4

4/4 = 1

So for the next terms you will also need to divide it by 4

1/4

1/4 divided by 4 = 1/16

1/16 divided by 4 = 1/64