It is based on powers of 10, making it logical.
Answer:
Height = 5
Step-by-step explanation:

C=<span>1 is the answer my good man have a good day :)</span>
Answer: 4.5 (after is the pi sign)
Step-by-step explanation: i got it right on khan academy so
N 2-1 < 3
n is equal to :
2-1 = 1 so n would have to be 1 in order to be less than 3