Estimate These Calculations

Question 1:

64.6×0.0866

5.4

Question 2:

94×12.6

900

Question 3:

0.686 0.82

0.875

Question 4:

0.6079 0.83

0.75

Question 5:

9.76×1.16 0.24

50

Question 6:

99.6×6.47 0.13

6000