Answer: On the first one its either A or D. (I think)
Step-by-step explanation:
So what I did was I multiplied 22 and 6.32 together and got 139.04 and the closest estimate to that would be 160 because 39 is closer to 60 than 20 (A) and since its not 150 the estimate would be lower than higher. (D)
Answer:

Step-by-step explanation:
Answer:
900-1200
Step-by-step explanation:
mutpliy by 60
Sorry can see good in the pic maybe next time
Sorry