Rounding to Significant Figures
Question 1:
Round to 1 s.f. 91.689
90
Question 2:
Round to 3 s.f. 0.0022275
0.00223
Question 3:
Round to 1 s.f. 0.28546
0.3
Question 4:
Round to 1 s.f. 43478
40000
Question 5:
Round to 1 s.f. 42110
40000
Question 6:
Round to 3 s.f. 4.4297
4.43