Answer :
- Combined mass in scientific notation can be written as 97.2×[tex]10^{-24}[/tex] kg
- Scientific notation can be regarded as a way of writing very large as well as very small numbers.
- Mars of mass= (6.42x[tex]10^{-23}[/tex] kg )
- Mercury= (3.3x[tex]10^{-23}[/tex] kilograms)
Then we add together
(6.42x[tex]10^{-23}[/tex] )+ (3.3x
= 9.45 × [tex]10^{-24}[/tex] kilograms
Therefore, combined mass in scientific notation can be written as 97.2× [tex]10^{-24}[/tex] kg
Learn more at : https://brainly.com/question/1705769?referrer=searchResults