Answer:
Simplify:

Step-by-step explanation:

2 / 5 = 0.4
2 divided by 5 = 0.4
Answer:
use an online calculator is the best option
Step-by-step explanation:
Answer:
C≈6.28mm
Step-by-step explanation:
C=2πr
= 2·π·1≈6.28319mm
It's 3.3 because the 2 is in the tenths place and you look at 6 and say is it over 5? Yes it is so the next number after 2 is 3 so your answer is 3.3