Write the following in scientific notation using powers of 10:

12). 600,000,000 =

_____________
13). 4,200,000 =

______________
14). 800 =

_____________
15). 14 =

______________
Write the following as decimal numbers:

16). 6 x 104 =

_____________
17). 4 x 108 =

______________


[Extra Credit]:
Scientific notation is used in science to describe really big and really small numbers. Here are some scientific facts. Write the numbers as regular numbers (with zeroes ). Write small.

18). The distance to the moon is approximately 4 x 108 meters. Write this as a decimal.

4 x 108= ___________________________

19). The distance to the sun is approximately 1.5 x 1011 meters. Write this as a decimal.

1.5 x 1011= ___________________________