[tex]Scientific\ notation:\ a\cdot10^n\ where\ 1\leq a \ \textless \ 10\ and\ n\in\mathbb{Z}\\\\a.\ 0.15\cdot10^4-NOT,\ because\ 0.15 \ \textless \ 1.\ Correct\ is\ 1.5\cdot10^3\\\\b.\ 7.06\cdot10^{-8}-YES\\\\c.\ 3.3\cdot100^1-NOT,\ because\ is\ 100,\ not\ 10.\ Correct\ is\ 3.3\cdot10^2[/tex]