Rounding to Significant Figures

Question 1:

Round to 2 s.f. 0.00024171

0.00024

Question 2:

Round to 3 s.f. 63181

63200

Question 3:

Round to 1 s.f. 0.00080331

0.0008

Question 4:

Round to 2 s.f. 6.2192

6.2

Question 5:

Round to 3 s.f. 0.00052578

0.000526

Question 6:

Round to 3 s.f. 5606.2

5610