Significant Figures Calculations Worksheet Answer Key Significant figures worksheet 1 and 2 use a table format Significant figures worksheet 1 and 2 contains questions asking students to round to 1 significant figure and 2 significant figures Significant figures worksheet 2 includes numbers which start with zero where zero is not significant
Significant digits are very important in all measurements Now remember that conversion factors such as 1 L 1000 mL or 1 foot 12 inches DO NOT affect the significant digits because they are exact numbers or definitions A Rules note that means a non zero digit 123456789 1 Digits 1 to 9 always count 2 Zeros in front never count Oct 17 2014 0183 32 Express the answer using the correct number of significant figures in both scientific notation AND nonexponential notation long form 18 7 0 56 1 59 x 10 4 6 42 x 10 5 18 1 1 81 x 101 0 000095 9 5 x 10 5 Significant Figures Worksheet Key 4 39 x 103 1 26 x 102 5 81 x 104
Significant Figures Calculations Worksheet Answer Key
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Significant figures or sig figs worksheets are arguably an important practice resource for high school students in accounting for the uncertainty in measurement Adhering to three important rules helps in identifying and counting the number of significant digits in whole numbers and decimals
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Significant Figures Calculations Worksheet Answer Key
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A Paper With Calculations On It And Some Writing In The Bottom Right
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The reason that these zeros are not significant is that the measurement 0 00123 grams is equal in magnitude to the measurement 1 23 milligrams 1 23 has three significant digits thus 0 0123 must also have three significant digits Any zeros to the right of a number and the right of a decimal point are significant The value 0 012300
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Jan 29 2015 0183 32 This significant figures worksheet PDF contains 20 different addition and subtraction problems for the student to calculate the solution to the correct number of significant figures Download the PDF of this worksheet or click the above image to print as many copies as you need The answer key is below
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These Significant Figures Worksheets are great for solving addition and subtraction problems with significant figures and correctly rounding to the correct answer You may select the problems to be addition subtraction or both
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Significant Figures Addition Worksheet Answer Key Name Date Significant Figures Addition and Subtraction Complete the following problems and round to the correct number of significant figures 35 6 56 27 4 337 84 7128 6 2 4 114 7 331 12 42 22 5285
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Arithmetic all content Course Arithmetic all content gt Unit 6 Lesson 14 Significant figures Intro to significant figures Rules of significant figures Multiplying and dividing with significant figures Addition and subtraction with significant figures Significant figures Math gt Arithmetic all content gt Decimals gt Significant figures
The Identifying Significant Figures Worksheet includes up to 30 randomly generated whole numbers decimals or numbers written in scientific notation The student s goal is to practice identifying significant figures by counting the Jan 28 2015 0183 32 This significant figures worksheet contains 20 different numbers for the student to determine the number of significant figures Download the PDF of this worksheet or click the above image to print as many copies as you need The answer key can be found on the next page Be sure to check out our other chemistry worksheets
In a calculator the answer would be 246 642 But we only want to keep 3 significant figures after rounding since 11 1 only had 3 significant figures So the final answer would be 247 after rounding to the nearest whole number to ensure there are exactly 3 significant figures The calculator answer of 246 642 is wrong because it is too