5 463 254 to threesignificant figures is 5 460 000;3.462 891 to foursignificant figures is 3.463;0.003 47 to two significantfigures is 0.003 5.significant figures The figures in a number that, by virtue of their place value,express the magnitude of that number to a specified degree of ...
“significant figures”翻译成中文是“有效数字”或“重要数字”。 在科学计算中,有效数字是表示测量结果可信度的关键因素之一。有效数字是指在分析工作中实际能够测量到的数字,包括最后一位估计的,不确定的数字。在数学中,有效数字是指在一个数中,从该数的第一个非零数字起,直到末尾数字止的数字称为有效数字。例...
Marks: Serial number; Assay stamp of refiner; Fineness (to four significant figures); Year of manufacture (expressed in four digits). 标记:编号、精炼厂的图章、纯度(四位有效数字)、制造年份(四位数表示)。 dongxi.net 2. Table 3 has too many significant figures presented. Values should be rounded...
How many significant figures are in the measurement 2.1390 L? How many significant figures are in the measurement 0.6789 L? How many significant figures are in the measurement 0.0064 L? How many significant figures are in the measurement 9.480 L? How many significant figures are in the meas...
Significant figures, also known as sig figs for short, are the meaningful digits present in a given number. Leading or trailing zeroes can often be removed, and the number will remain accurate, although there are sometimes differing significant figure rules depending on your use. ...
1 Significant Figure Rules There are three rules on determining how many significant figures are in a number: 1. Non-zero digits are always significant. 2. Any zeros between two significant digits are significant. 3. A final zero or trailing zeros in the decimal portion ONLY are significant....
- Define rules for determining the number of significant figures in a number calculated as a result of a mathematical operation. - Explain rules for rounding numbers. - Present guidelines for using a calculator. - Provide some exercises to test your skill at significant figures. ...
aSignificant figures are the numbers in a measurement that represent the certainty of the measurement, plus one number representing an estimate. 有效数字是数字在代表测量的把握的一次测量,加上代表估计的一个数字。[translate]
英英释义 Noun 1. any digit of a number that is known with certainty; any digit of a number beginning with the leftmost non-zero digit and ending with the rightmost non-zero digit (or a zero considered to be the exact value); "he calculated the answer to four significant figures" ...
etc.) returns a number to you, then you have made a measurement decision and that ACT of measuring gives significance to that particular numeral (or digit) in the overall value you obtain. Hence a number like 26.38 would have four significant figures and 7.94 would have three. The problem ...