Estimate These Calculations

Question 1:

1.36×0.0299

0.03

Question 2:

0.433×9.24

3.6

Question 3:

87.85 0.48

180

Question 4:

0.058 0.83

0.075

Question 5:

6.43×2.07 0.49

24

Question 6:

47.5×16.6 0.13

10000