Question

(0,0009.10^-5.30000^2)/81000000
(resoluçao em notaçao cientifica)

Answer 1

$\frac{9*10^{-4}*10^{-5}* 3*10^{4}}{81* 10^{6} } = \frac{27 * 10^{-5} }{81* 10^{6}} = \frac{27}{81} * 10^{-11}  = \frac{1}{3}  *10^{-11}$