Evaporation I’m pretty sure
Answer: y=1x+4
Solving Steps:
If you are making 4 billion a second do 4,000,000,000 x 60 = 240,000,000,000
Then times that by 10 which equals. 2,400,000,000,000
Is the answer for the second one
6,000,000,000 x 60 x 60 x 2 = 1,296,000,000,000,000
Yes if u can multiply 10 by 1000 then it is a multiplication fact