## cynthia rounds a number, x,to one decimal place. the result is 6.3. Write down the error interval for x

Question

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## Answers ( No )

The answer is:The explanation is shown below:

1. Cynthia rounds the number, which is identified as , to one decimal place and the result is 6.3.

2. Based on this, we know that could have been between 6.25 and 6.35. Therefore, the error interval for is given by:

Where indicates that the value 6.25 is included and indicates that the value 6.35 is not included (Because if had been exactly 6.35, Cynthia would round up to 6.4).