Find the value of a and n then write the number in sientific notation using these values.

a n Scientific Notation(ax 10n)

1.) 2,000,000,000 - _____ _____ __ x 10 __

2.) 500,000,000 - _____ _____ __ x 10 __

3.) 1,000,000,000,000- _____ _____ __ x 10 __

4.) 0.0000000065 - _____ _____ __ x 10 __

5,) 0.000000000409 - _____ _____ __ x 10 __