What's next?

This task is about number patterns.

Question 1Change answer

Write down the next two numbers for each of these patterns.
 
a)  800, 400, 200, 100, , 

Question 1Change answer

b)  90, 75, 60, 45, , 

Question 1Change answer

c)  128, 64, 32, 16, 8, , 

Question 1Change answer

d)  243, 81, 27, 9, , 

Question 1Change answer

e)  900, 780, 660, 540, , 

Question 1Change answer

f)  1000, 875, 750, 625, , 

Question 1Change answer

g)  4196, 1024, 256, 64, ,