Answer:
3080
Step-by-step explanation:
this is because after the decimal there is a 3 and when you round with a 3 the number stays the same.
8/7 x 9/10 is 72/70
7/10 x 9/8 is 63/80
10/7 x 9/8 is 90/56
7/9 x 8/10 is 56/90
20
1st 3rd and 4th
I just did that
Answer:C