I need help with these problems ASAP!

Answer:
number 1 is 62 6 over 7
Step-by-step explanation:
22/7 x20/1
and you get 62.6 over 7
Answer:
125.6
3.925
219.8
2.198
0.0628
6.28
79.25
Step-by-step explanation:
The circumference of a circle is diameter (the distance from one side of the circle to the other) multiplied by π (also known as pi which is equal to 3.14). So for example if the diameter was 2 then you would multiply 2x3.14=6.28 (question 6) hope this helped