Upper and Lower Bounds
Question 1:
When x = 1700 (2 s.f.) and
y = 9860 (3 s.f.), find the lower bound of x + y
11505
Question 2:
When x = 1000 (1 s.f.) and
y = 23.8 (3 s.f.), find the lower bound of x - y
476.15
Question 3:
When x = 0.701 (3 d.p.) and
y = 5.68 (2 d.p.), find the upper bound of x × y
3.9880275
Question 4:
When x = 920 (2 s.f.) and
y = 52.2 (3 s.f.), find the upper bound of x ÷ y
17.737296260786