Answer:
Its C.
Step-by-step explanation:
all u gotta do is combine the exponents and 3+2=5
so 2^5
420 x .1 = 42
420 + 42 = 462
400 x .2 = 80
400 + 80 = 480
The first one is cheaper
Here for your generosity, take a meme
the answer is 13.2
2, 3 and 7,8
