5995453
Description
Mind Map by Mayibongwe Chivizhe, updated more than 1 year ago
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Created by Mayibongwe Chivizhe
over 9 years ago
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Upper and Lower Bounds
- This is a why distinguish that the actual 'number' is anyway between these two points
- INSTRUCTIONS
- 1) Find the last digit and what is its place value (e.g. H T U t h) or the amount of sig. figures
- 2) Divide the place value by two
- 3) Subtract and add the answer from the previous step to the original number
- The higher number is the upper bound and the lower the lower bound
- 1200 (2 sig figs) lower and upper bound = 1250, 1150
- 1) Find the last digit and what is its place value (e.g. H T U t h) or the amount of sig. figures
- Tips
- For maximum values use the upper bound of x and the lower bound of y
- "appropiate degree of accuracy means that you find the last possible point where the numbers will round to be the same
- Use this reason "The upper and lower bounds both agree to this number of figures"
- Use this reason "The upper and lower bounds both agree to this number of figures"
- For maximum values use the upper bound of x and the lower bound of y
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