Identify the pattern and find the next number in the pattern

0.4,1.6,6.4,25.6
basically i need the whole test i just want to reference a question

5 answers

just keep multiplying by 4

take away the decimal point, and it is easy to see that these are just powers of 4
Im on the same boat as you, I dont know crap for the test and am already close to failing the class....hopefully someone comes and saves us
Answer is 102.4
Pleas someone post these answers after they're done with the test
Whole test right here get your whole test
1. C
2. D
3. C
4. A
5. C
6. C
7. B
8. C
9. D
10. B
11. A
12. C
13. D
14. C
15. B
16. D
17. B
18. C
19. B
20. A
21. A
22. B
23. C
24. D
25. D
26. B
27. C
28. D
29. B
30. B

Just took the test and this should be an 100 if i wrote them down right everyone say thank youuuuuu