Respuesta :

Answer:

i only know the last two and the first picture!

Step-by-step explanation:

1)         1/2

4)  0.000000006 = 6 x 10^ -9

5)   x^12 · x^3=  x^15

*sorry it took so long*

~H4CK3Rx

Step-by-step explanation:  1/2