Ecrire en notation scientifique :

4000 =

32000 =

650000000=

0,0079=                                     

0,0003 =

0,00089 =

89520 =

- 56300

50 =

0,00156 =

0,00004598 =

- 4560000 =                                   

310⁵ =

6,45 10² =

7,45810^-7=

2,5210⁵=                                   

510^-4 =

4,110^-3 =

3,7810^-2=

3,0510^-4=

710^-2 =

1,0210⁷ =

6,0510^-6 =

- 4,5 10⁵

350010⁷

4800010^-9

0,02110⁸

0,0004510^-5

6500 10³

356 10⁵

240010²

0,056 10⁴

0,003 10³

7890

0,00042

0,256

95000000

0,0000012

2,310⁵

5,12 10^-6

3,891 10^-2

4,2 10¹

6,08 10^-4