B. 9*10^16 (because in question give it)
B. 3*10^9 (because answer to first question is divided by seconds in one year (365*24*60*60).
-2018/2017 is irrational.
Answer:
Your answer is 38.72
Step-by-step explanation: I did not know what it was so i googled it lol. this one was tough! hope it is correct! it is google so i bet it is :)