Respuesta :

Answer:you are adding them

Step-by-step explanation:

s1m1

Answer:

Step-by-step explanation:

I am not sure if this is what you are asking

8.2*4.5 *[tex]10^{9} *10^{-5}[/tex] = 36.9 *[tex]10^{9-5}[/tex] = 3.69 *10*[tex]10^{4}[/tex]=3.69*[tex]10^{5}[/tex]