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Freya writes down the value of x, correct to 1 decimal place - Edexcel - GCSE Maths - Question 12 - 2021 - Paper 3

Question 12

Freya writes down the value of x, correct to 1 decimal place. She writes x = 6.4 Complete the error interval for x.

Worked Solution & Example Answer:Freya writes down the value of x, correct to 1 decimal place - Edexcel - GCSE Maths - Question 12 - 2021 - Paper 3

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Answer

The value of x = 6.4, correct to 1 decimal place means that x could be anywhere from 6.35 to 6.45.

Thus, the error interval for x can be expressed as:

$6.35 ext{ } < ext{ } x ext{ } < ext{ } 6.45$

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