Rounding to Significant Figures

Question 1:

Round to 2 s.f. 0.082387

0.082

Question 2:

Round to 3 s.f. 55.898

55.9

Question 3:

Round to 3 s.f. 0.025195

0.0252

Question 4:

Round to 3 s.f. 7.1766

7.18

Question 5:

Round to 3 s.f. 464.51

465

Question 6:

Round to 3 s.f. 0.0003639

0.000364