**How to round to 2 significant figures? Yahoo Answers**

Worksheet asking students to round to a given number of significant figures. Worksheet is laid out in the form of a table to be filled in. Answers included. If you liked this resource have a look at my rounding to a given number of decimal places workshee...... For example, 1300 to four significant figures is written as 1.300 × 10 3, while 1300 to two significant figures is written as 1.3 × 10 3. The part of the representation that contains the significant figures (as opposed to the base or the exponent) is known as the significand or mantissa.

**algorithm How to round down to the nearest significant**

Rounding to significant figures means that you are only interested in the first digits that make up a number. You might need to round a number to the nearest 10, 100, 1000, etc., or you might need to round it to 1, 2 or even 3 decimal places.... The 5.8 is known to two significant figures, so Rule 4 says the result must be rounded to two significant figures. (3.9)²; Answer = 15.2. Rule 4 predicts an answer of 15. The leading digit of 15 is 1, but the leading digit of 3.9 isn't 1. Rule 5 says we should keep an extra significant figure in the result. √0.0144; Answer = 0.120. The number 0.0144 has three significant figures. Rule 4

**What are the requirements for significant figures in IB**

6/02/2008 · yer thats correct, significant figures includes the whole number, so rounding 3.76470588*10^3 to three significant figures will get you 3.76*10^3 Rounding to 3 decimal places would of gotten you 3.765*10^3 how to create a new tag in citeulike For example, if you have 2, 4.3, 11.2, 3, 4.5, then round to one decimal place (the whole numbers are the least precise with zero places). How to Round a Number Draw a line where you need to round.

**Rounding significant figures BBC - Home**

To round to "so many" significant digits, count digits from left to right, and then round off from there. 1.239 rounded to 3 significant digits is 1.24 as the next digit (9) is 5 or more how to cut stone tile around outlets To round to "so many" significant digits, count digits from left to right, and then round off from there. 1.239 rounded to 3 significant digits is 1.24 as the next digit (9) is 5 or more

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### Rounding to 3 Significant Figures transum.org

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## How To Round An Answer To 3 Significant Figures

Level 6 - Rounding numbers to three significant figures Level 7 - Rounding numbers to the nearest ten, hundred etc More on this topic including lesson Starters, visual …

- 0.0034088 in three significant figures would be 0.00341.
- Significant means important. 1 significant figure. In the number 4725, the number 4 is the most significant. It has the value 4000. But 4725 is closer to 5000 than 4000.
- Rounding to two significant figures yields an implied uncertainty of 1/16 or 6%, three times greater than that in the least-precisely known factor. This is a good illustration of how rounding …
- For example, 1300 to four significant figures is written as 1.300 × 10 3, while 1300 to two significant figures is written as 1.3 × 10 3. The part of the representation that contains the significant figures (as opposed to the base or the exponent) is known as the significand or mantissa.