Estimate These Calculations

Question 1:

2.09×46.6

100

Question 2:

61.3×89.7

5400

Question 3:

0.3976 0.44

1

Question 4:

0.7756 0.44

2

Question 5:

9.88×4.72 0.83

62.5

Question 6:

88.5×26 0.83

3375