$$\\\frac{80.6}{4.096\times10^{-12}}\\\\
=\frac{80.6\times 10^{12}}{4.096}\\\\
=19.678\times 10^{12}\\\\
=1.9678\times 10^{13}\\\\$$
Correct to 5 significant figures.
You should 'study' this post.
http://web2.0calc.com/questions/indices-especially-negative-indices
$$\\\frac{80.6}{4.096\times10^{-12}}\\\\
=\frac{80.6\times 10^{12}}{4.096}\\\\
=19.678\times 10^{12}\\\\
=1.9678\times 10^{13}\\\\$$
Correct to 5 significant figures.
You should 'study' this post.
http://web2.0calc.com/questions/indices-especially-negative-indices