Rounding to Significant Figures

Question 1:

Round to 1 s.f. 0.04592

0.05

Question 2:

Round to 2 s.f. 4.25

4.3

Question 3:

Round to 3 s.f. 0.051857

0.0519

Question 4:

Round to 3 s.f. 137.93

138

Question 5:

Round to 2 s.f. 0.00027864

0.00028

Question 6:

Round to 2 s.f. 0.13203

0.13