Answer:
They all look right but i'm not sure about the last one?
Step-by-step explanation:
Answer:
If your trying to simplify then your answer would be 
Answer:
670.9
Step-by-step explanation:
because 670.9 is bigger and 670.008 has more 0's and 0's aren't greater
Awnser:
9,12,18
Step-by-step explanation:
you have to add the smallest numbers together and it has to be greater that the greatest number.
9+12= 21
21>18
40 ÷10 = 4
Mrs Edward knitted 4 pairs of gloves.