Answer:
5 zeros
Step-by-step explanation:
The number
is written in scientific form. When multiplying this number becomes

This number has 5 zeros.
Option A is not a polynomial since it contains square root.
<span>No, 7 is a natural number divisible by 7 and not 14 for example. In fact every odd multiple of 7 (i.e. 7 times 1,3,5,7,...) is divisible by 7 and not 14.</span>