Estimate These Calculations

Question 1:

0.0508×0.003

0.00015

Question 2:

0.0057×4.9

0.03

Question 3:

0.0333 0.18

0.15

Question 4:

0.9286 0.44

2.25

Question 5:

1.34×4.41 0.16

20

Question 6:

52.2×67 0.44

8750