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# Bounds help watch

1. Any videos? Help

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2. (Original post by z_o_e)
Any videos? Help

Posted from TSR Mobile
You need to start by finding the upper and lower bounds of m. Can you try that (if you haven't already) and post your working/answers?

Then we can show how to finish it.
3. (Original post by notnek)
You need to start by finding the upper and lower bounds of m. Can you try that (if you haven't already) and post your working/answers?

Then we can show how to finish it.

Posted from TSR Mobile
4. You haven't found the bounds here.

I'm not sure what you know / don't know. If I asked you what the upper bound of 3.47 (2 d.p.) is, would you know the answer?
5. Same question from edexcel
6. The point of it being correct to 2 d.p. means that there is an uncertainty. There is a range of numbers which round to 3.47 to 2.dp. The highest of these numbers is called the upper bound, and the lowest is called the lower bound.

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