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(b) John has a length of string.
The string is 4 m long, correct to the nearest 10 cm.
(i) Write down the lower bound of the length of the string.
Give your answer in centimetres
(ii) John cuts off ten pieces of string.
Each piece is 5 cm long, correct to the nearest centimetre.
Find the minimum possible length of string remaining.
Give your answer in centimetres.
The string is 4 m long, correct to the nearest 10 cm.
(i) Write down the lower bound of the length of the string.
Give your answer in centimetres
(ii) John cuts off ten pieces of string.
Each piece is 5 cm long, correct to the nearest centimetre.
Find the minimum possible length of string remaining.
Give your answer in centimetres.