Resolveremos dos que pudan servirte de ejemplo para resolver el resto :
a) <img src="https://tex.z-dn.net/?f=%287%2C2%20%2A%2010%5E%7B-9%7D%29%20%281%2C806%20%2A%2010%5E%7B-12%7D%29%20%3D%201%2C30032%20%2A%2010%5E%7B-20%7D%20%0A%0A%0A" /> Aplicamos notación científica :
<img src="https://tex.z-dn.net/?f=1%2C30032%20%2A%2010%5E%7B-20%7D%20%3D%200%2C0000000000000000000130032" />
b)<img src="https://tex.z-dn.net/?f=%5Cleft%283542%5Ccdot%20%5C%3A10%5E%7B-6%7D%5Cright%29%5E9%20%2F%20%5Cleft%285%2C05%5Ccdot%20%5C%3A10%5E%7B4%7D%5Cright%29%5E%7B12%7D%20" />
<img src="https://tex.z-dn.net/?f=%5Cmathrm%7BAplicar%5C%3Alas%5C%3Aleyes%5C%3Ade%5C%3Alos%5C%3Aexponentes%7D%3A%5Cquad%20%5C%3Aa%5E%7B-b%7D%3D%5Cfrac%7B1%7D%7Ba%5Eb%7D" />
<img src="https://tex.z-dn.net/?f=%3D3542%5Ccdot%20%5Cfrac%7B1%7D%7B10%5E6%7D%20%3D%20%5Cfrac%7B3542%7D%7B10%5E6%7D%20" />
Aplicando Potencia de una potencia :
<img src="https://tex.z-dn.net/?f=%28%5Cfrac%7B3542%7D%7B10%5E%7B6%7D%7D%29%5E%7B9%7D%20%3D%20%28%5Cfrac%7B3542%5E%7B9%7D%20%7D%7B10%5E%7B36%7D%7D%29" />
Sustituimos :
<img src="https://tex.z-dn.net/?f=%5Cfrac%7B%28%5Cfrac%7B3542%5E%7B9%7D%7D%7B10%5E%7B36%7D%7D%29%7D%7B%285%2C05.10%5E%7B4%7D%29%5E%7B12%7D%7D%20%3D%20%5Cfrac%7B%28%5Cfrac%7B3542%5E%7B9%7D%7D%7B10%5E%7B36%7D%7D%29%7D%7B%2850500%5E%7B12%7D%29%7D%20%3D%20%5Cfrac%7B%28%5Cfrac%7B3542%5E%7B9%7D%7D%7B10%5E%7B36%7D%7D%29%7D%7B%20%5Cfrac%7B%2850500%5E%7B12%7D%29%7D%7B1%7D%7D%20%3D%20%5Cfrac%7B3542%5E%7B9%7D%7D%7B50500%5E%7B12%7D.10%5E%7B36%7D%7D%20%3D%203%2C189631226%20.%2010%5E%7B-61%7D" />.