Upper and Lower Bounds

Question 1:

Find the upper bound of 76.6 rounded to 3 s.f.

76.65

Question 2:

Find the lower bound of 58.2 rounded to 1 d.p.

58.15

Question 3:

Find the upper bound of 3.3 rounded to 2 d.p.

3.305

Question 4:

Find the upper bound of 0.75 rounded to 2 d.p.

0.755