$$\\x^2 - (1.8*10^{-5})x + (1.8*10^{-6}) = 0\\\\
10^6x^2 - (1.8*10^{-5}*10^6)x + (1.8*10^{-6}*10^6) = 0*10^6\\\\
10^6x^2 - (1.8*10)x + (1.8) = 0\\\\
10^7x^2 - (180)x + (18) = 0\\\\$$
$$\triangle=180^2-4*10^7*18<0\qquad \text{therefore no real roots}$$
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