WebSep 1, 2024 · 765 when rounding to the nearest one (1) 765.4 when rounding to the nearest 10th. 765.37 when rounding to the nearest 100th. 765.368 when rounding to the nearest … WebApr 9, 2024 · Round 0.014952 to four decimal places. Solution. The test digit is 5, so we must round up. The rounding position is a 9 and adding 1 gives 10, which is not a single digit number. Instead look at the two digits to the left of the test digit: 49. If we add 1 to 49, we get 50. Thus the answer is 0.0150.
Rounding Numbers - Rules & Examples For Fractions & Sums - Fact Monster
WebRule: When adding or subtracting numbers, round the result to the same number of decimal places as the number with the fewest decimal places (i.e., the least certain value in terms of addition and subtraction). (a) Add 1.0023 g and 4.383 g. (b) Subtract 421.23 g from 486 g. Solution (a) 1.0023 g + 4.383 g 5.3853 g 1.0023 g + 4.383 g 5.3853 g WebAug 3, 2024 · When adding and subtracting we know to look at the least number of decimals in our starting values; in this case 342.3 has only 1 digit after the decimal, so we need to … brittany severide chicago fire
4.6: Significant Figures and Rounding - Chemistry LibreTexts
WebSep 1, 2014 · The basic 'rule' is to do your calculation keeping all digits as you go right until to the very end (without rounding parts as you suggest in approach 1). This ensures your calculation retains maximum accuracy. You leave the 'rounding' til the very end, that is when you report your answer, only 'so many' digits are 'significant'. WebThe following sig fig rules are used: Addition (+) and subtraction (-) round by the least number of decimals. Multiplication (* or ×) and division (/ or ÷) round by the least number of significant figures. Logarithm (log, ln) uses the input's number of significant figures as the result's number of decimals. WebSep 4, 2024 · Rounding-off rules If the first non-significant digit is less than 5, then the least significant digit remains unchanged. ... What is the decimal rule in chemistry? The rule states that if a decimal point is Absent, then the zeroes on … brittany seville