Answer:
Option 4
Step-by-step explanation:

Answer:
51.78 ÷ 2.54 = 20.(when you round to the nearest ones)
yes shr does
Answer:
1/2 pi
Step-by-step explanation:
This is 1/4 of a circle
Find the circumference and multiply by 1/4
1/4 C
1/4 ( 2*pi*r) where r is the radius
The radius is 1
1/2 pi*1
1/2 pi
We have
1*1 + 8*1/100 + 9*1000
this can be written as,
1 + 0.08 + 0.009
we get 1.089
hope this help