The weight of a bag of potatoes is 25 kg, correct to the nearest kg .(a)Write down the smallest possible weight of the bag of potatoes.
(b)Write down the largest possible weight of the bag of potatoes.

2.The length of a line is 63 centimetres, correct to the nearest centimetre.
(a)Write down the least possible length of the line
(b)Write down the greatest possible length of the line.

3.A field is in the shape of arectangle. The length of the field is 340 m, to the nearest metre. The width of the field is 117 m, to the nearest metre. Calculate the upper bound for the perimeter of the field.