Answer:
Reactant plus reactant yields product.
Step-by-step explanation:
A decomposition reaction starts from a single substance and produces more than one substance. One substance as a reactant and more than one substance as the products is the key characteristic of a decomposition reaction.
Hope this helps.
22+26+28+30+39+44+62+63= 314
Divide the answer by the amount of numbers
=39.25
.3
Whenever finding a decimal out of a fraction divide the numerator by the denominator.