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Try completing the table below. Original Number 43 89 276 938 2038 2343 10% (estimate) 20% (estimate) 5% (estimate)

Try completing the table below. Original Number 43 89 276 938 2038 2343 10% (estimate) 20% (estimate) 5% (estimate)

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Identifying patterns can help with some estimation. For example, to find 10% of a value, you move the decimal point one place toward the front of a number. 10% of 80-8 10% of 95 10% of 873 9.5, about 10 87.3. about 90 Sometimes it can also help to think about percents in terms of other benchmarks that you know. For example, if you can calculate 10% of something in your head, you can likely calculate 20% of that same value by recognizing that 20 % is just twice of 10% (remember the activity on doubling?). 10% of 80 jan 9.5, about 10 87.3 about 90 20% of 80 10% of 95 9.5, about 10 about 10 10% of 873 87.3, about 90 20% of 95 about 180 You can use similar logic to calculate 5 % . Since 5 % is half of 10%, you can find 10% and then find half of that to get 5 % 10% of 80 8 10% of 95 10% of 873 20% of 95 5% of 80 5% of 95 Install of 95 about 5 about 45
Transcribed Image Text:Identifying patterns can help with some estimation. For example, to find 10% of a value, you move the decimal point one place toward the front of a number. 10% of 80-8 10% of 95 10% of 873 9.5, about 10 87.3. about 90 Sometimes it can also help to think about percents in terms of other benchmarks that you know. For example, if you can calculate 10% of something in your head, you can likely calculate 20% of that same value by recognizing that 20 % is just twice of 10% (remember the activity on doubling?). 10% of 80 jan 9.5, about 10 87.3 about 90 20% of 80 10% of 95 9.5, about 10 about 10 10% of 873 87.3, about 90 20% of 95 about 180 You can use similar logic to calculate 5 % . Since 5 % is half of 10%, you can find 10% and then find half of that to get 5 % 10% of 80 8 10% of 95 10% of 873 20% of 95 5% of 80 5% of 95 Install of 95 about 5 about 45
Try completing the table below. Original Number 43 89 276 938 2038 2343 10% (estimate) 20% (estimate) 5% (estimate)
Transcribed Image Text:Try completing the table below. Original Number 43 89 276 938 2038 2343 10% (estimate) 20% (estimate) 5% (estimate)
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