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(a) The width of a book is 217 cm correct to 1 decimal place. What is the smallest and biggest width the book could have? (b) A pencil has a length 16.25 cm, correct to 2 decimal places.What is the smallest and biggest length the pencil could have?

Вопрос

(a) The width of a book is 217 cm correct to 1 decimal place. What is the smallest and biggest width the book could have? (b) A pencil has a length 16.25 cm, correct to 2 decimal places.What is the smallest and biggest length the pencil could have?

(a) The width of a book is 217 cm correct to 1 decimal place. What is the smallest and biggest width the book could have? (b) A pencil has a length 16.25 cm, correct to 2 decimal places.What is the smallest and biggest length the pencil could have?

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(a) The smallest width the book could have is 216.5 cm and the biggest width the book could have is 217.4 cm.<br /><br />(b) The smallest length the pencil could have is 16.245 cm and the biggest length the pencil could have is 16.255 cm.
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