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[DOC File]Significant Figures – Rounding Off – SI Units
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Rounding - If we knew a number had only two sig figs and our work gave . us an answer of .0145, we would round to .014 or .015. Rules such as always round. up or round to the even digit are arbitrary. I would recommend rounding up if there is a ‘5’ or higher digit. Warning - Some calculators ‘hide’ digits! For example try entering 1.45 x 10-8 into an inexpensive calculator and quite ...
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[DOC File]SIGNIFICANT FIGURES - Mr. Ratledge Chemistry
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SIGNIFICANT FIGURES . Tier 1. Determine the number of significant digits in each of the following: 1) 6.571 g. 2) 0.157 kg. 3) 28.0 mL. 4) 2,500 m. 5) 0.0700000 g. 6) 30.07 g. 7) 0.106 cm . 8) 0.0067 g. 9) 0.0230 cm. 10) 26.509 cm. 11) 54.52 cm. 12) 0.12090 mm. 13) 2.690 g. 14) 43.07 cm Indicate the number of significant figures then round each to the number of significant figures indicated ...
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[DOC File]SIGNIFICANT FIGURES
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Date _____ Class _____ Matter and Measurement. SIGNIFICANT FIGURES & ROUNDING. A. Indicate the number of significant figures then round each to the number of significant figures indicated.
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[DOC File]Rbecmaths Blog
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Grade D Objective : Round to a given number of significant figures (decimals) Question. Work out the value of 3.92 - √75 . Write down all the numbers on your calculator display. (2) Write your answer to part (a) to : 3 significant figures. 2 significant figures. 1 significant figure (3) Answer. i) ii) iii) Marks ( / 5 ) If you get full marks move on to Grade C. If not ASK FOR HELP ...
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[DOC File]SIGNIFICANT FIGURES
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Math Worksheet Period Unit 1 Mathematics of Physics. SIGNIFICANT FIGURES & ROUNDING. A. Indicate the number of significant figures then round each to the number of significant figures indicated.
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[DOC File]Significant Figures (a
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The number of significant figures in a result is simply the number of figures that are known with some degree of reliability. The number 13.2 is said to have 3 significant figures. The number 13.20 is said to have 4 significant figures. Rules for deciding the number of significant figures in a measured quantity: (1) All nonzero digits are significant: 1.234 g has 4 sig figs, 1.2 g has 2 sig ...
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[DOCX File]carneychemistry.files.wordpress.com
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2012-08-01 · Calculator _____ Do Now. Using the rules for significant figures, determine the number of significant figures in each of the measurements below. 6.84 cm. 43.096 mL. 12.220 g. 0.00052 km. 100 kg. 34.6480750 L. Rounding the number of significant figures (I do) When doing calculations, your answer cannot be more precise than your _____ piece of data (least # of sig figs). Steps to rounding ...
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[DOC File]Estimation and Rounding
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The development of rounding progresses as follows: nearest 10,100 etc., specified numbers of decimal places. specified numbers of significant figures . Note: We always round up for 5 or above. WORKED EXAPMPLES. Round 74 to the nearest 10 = 70. Round 386 to the nearest 10 = 390 . Round 347.5 . to the nearest whole number = 348. to the nearest ...
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[DOCX File]Mathematics Curriculum Map
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Rounding to decimal places and significant figures (From Year 7 Summer 1) Find the area of compound shapes. Solve word problems involving areas. Understand the relationship between the circumference and radius of the circle. Find the circumference of a circle given a radius or diameter. Find the radius of diameter of a circle given the ...
rounding with significant figures

[DOC File]SIGNIFICANT FIGURES
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SIGNIFICANT FIGURES & ROUNDING. A. Indicate the number of significant figures then round each to the number of significant figures indicated. For example: 1.234 has _____4___ significant figures and, rounded to 2 significant figures, is ___1.2____ 1. 0.6034 has _____ significant figures and, rounded to 2 significant figures, is _____
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Rounding to significant figures calculator