# 1.4 Scientific Notation

### Write each number in correct scientific notation:

1) 0.000006 = ______________________ 2) 5400000 = ______________________

3) 60 = ______________________ 4) 0.009 = ______________________

5) 6.7 = ______________________ 6) 0.0000002 = ______________________

7) 2000000 = ______________________ 8)



= ______________________

9) 48900 = ______________________ 10) 0.0000009 = ______________________

11)



= ______________________ 12)



= ______________________

13) 0.000216 = ______________________ 14) 0.0042 = ______________________

15)



= ______________________ 16) 4.8 = ______________________

17. Choose which of the following best describes the purpose of the power of 10 in scientific notation:

A It counts the number of zeros in the number in standard decimal form

B It will always be the number of zeros of the number in standard decimal form plus one

C It counts how many digits there are in the original number in standard decimal form

D It counts how many spaces to the left or right the decimal moves to convert from standard decimal form

Write each number in standard decimal notation:

18) 0.9



= ______________________ 19)



= ______________________

20)



= ______________________ 21)



= ______________________

22)



= ______________________ 23)



= ______________________

24)



= ______________________ 25)



= ______________________

26)



= ______________________ 27)



= ______________________

28)



= ______________________ 29)



= ______________________

30)



= ______________________ 31)



= ______________________

32)



= ______________________ 33)



= ______________________