Answer:
what are the choices?
Step-by-step explanation:
Answer:

Step-by-step explanation:
It is given that,
The average distance between the Earth and the Moon is 384 400 km.
We need to express in in standard form.
1 km = 1000 m
It means,
384400 km = 384400000 km
or
= 
Hence, the average distance between the Earth and the Moon is
.
3(b+6) = 3*b + 3*6 = 3b + 18
Answer:
2(x-3)(x-1)
Step-by-step explanation:
2(x+x+3)
2(x-3)(x-1)