No because the atomic mass is the average of the different isotopes, so there is no isotope with a mass of 35.45. There are no isotopes that have decimal masses, they have to be a whole number.
Answer:
The only reule here that is applicable to substracting two values that have different numbers of decimal places is that The answer has the same number of decimal places as the least precise value
A compound is a substance formed when two or more elements are chemically joined.
Evidence could be the mid-ocean ridge and compare the length the continents are apart and that they have found new crust coming up that goes along with mid-ocean ridge.