Answer:
The circumference is = 10π
The area is = 25π
Step-by-step explanation:
1. I think the underlined number is 2. So It will be hundredths.
2. (8 x 100) + (6 x 10) + (3 x 1) + (1/10) + (4/100) + (1/1000)
Or 800 + 60 + 3 + 0.1 + 0.04 + 0.001
3.1
3.6
4.2
4.5
4.9
5.0
Hope it helps
C cheap is considered a pretty bad word