1
Q
Round 2.3457 to 2 s.f.
A
2.3
2
Q
Round 3456 to 2 s.f.
A
3500
3
Q
Round 78.5457 to 2 s.f.
A
79
4
Q
Round 0.05457 to 2 s.f.
A
0.055
5
Q
The upper bound of 5.6 rounded to 1 d.p.
A
5.65
6
Q
The lower bound of 6.74 rounded to 2 d.p.
A
6.735
