Respuesta :

9 ⋅ 10^19 Yes
7.8 ⋅ 10^6  Yes
1.45 ⋅ 10^−7 Yes
0.33 ⋅ 10^−15 No  (should be 3.3 x 10^-16)

answer
Not in 
in scientific notation: 0.33 ⋅ 10^−15
mhm the other guy is right