Question

8. In each of these questions use the rounding information given to find the upper or lower bounds as required
a) A needle has a length of 3 cm rounded to 1 decimal place.What is the greatest possible length of the needle?
b) A metal rod has a length of 2 cm to the nearest cm.What is the greatest possible length of the rod?
c) A rectangular field has a length of 13 m and a width of 19m.Length are measured to the nearest metre.What is the greatest possible area of the field?

Answer 1

Hey.

Here is the answer.

a) 3.04 cm

b) 2.5 cm

c) 13.5 × 19.5 = 263.25

Thanks.