Answer:
C
Step-by-step explanation:
sorry if I'm wrong-
Answer:
uh
Step-by-step explanation:
gygygyg
1980
660 --> 12
X --> 36
________
36 / 12 = 3
X = 3
660 x 3 = 1980
I would say line t !!
it goes through both lines not just one.
we know that

In scientific notation

To find the value of 
Multiply the value of one billion for 
so

therefore
the answer is
