That rounds down to 34.
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When rounding 1286 to 2 significant figures, you must consider the first two non-zero digits from the left. In this case, those digits are 1 and 2. The digit to the right of 2 (8) is greater than 5, so you round up. Therefore, 1286 rounded to 2 significant figures is 1300.
Check the digit in the fourth position, which is a 9. This will cause a rounding up, giving 14.7500 as the answer.
To convert the number 0.004758 to three significant figures, we need to round it off appropriately. Identify the significant figures: The given number, 0.004758, has 5 significant figures. Determine the significant figures based on the three most significant digits: The three most significant digits in 0.004758 are 4, 7, and 5. Round the number: Look at the digit immediately after the third significant figure, which is 7. Since 7 is 5 or greater, we round up the third significant figure (5). Apply rounding: The number rounded to three significant figures is 0.00476. Therefore, 0.004758 rounded to three significant figures is **0.00476**.
The answer depends on the data source. Exchange rates are usually accurate to 6 significant digits.
Well, honey, let me break it down for you. The number 4030 has three significant digits because the zeros are sandwiched between non-zero numbers. So, count 'em up and you'll see that there are three digits that actually matter in this number. Hope that clears things up for ya, darling!