Rounding to Significant Figures

Question 1:

Round to 3 s.f. 46.092

46.1

Question 2:

Round to 1 s.f. 0.87902

0.9

Question 3:

Round to 2 s.f. 0.0044067

0.0044

Question 4:

Round to 2 s.f. 45.449

45

Question 5:

Round to 3 s.f. 0.008735

0.00874

Question 6:

Round to 1 s.f. 44260

40000