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Learn how to calculate the number of significant figures in a number using four basic rules and four additional rules for mathematical operations. See examples of addition, subtraction, multiplication and division with significant figures.
Learn what significant figures are and how to count them, round them, and perform operations with them. Follow the rules for zeros, decimal points, and rounding off to avoid errors in scientific or technical measurements.
22 paź 2024 · Learn how to determine the number of significant figures in measured quantities and how to perform calculations with them. Find out the rules for leading and trailing zeros, exact numbers, and scientific notation.
Significant figures are the digits used for the meaningful representation of a given number. Learn its meaning, rules, and rounding off significant digits with solved examples.
Learn what significant figures are and how to identify them in different types of numbers. Find out the rules for rounding off significant figures and practice with examples and questions.
Rules for deciding the number of significant figures in a measured quantity: All nonzero digits are significant: 1.234 g has 4 significant figures, 1.2 g has 2 significant figures. Zeroes between nonzero digits are significant: 1002 kg has 4 significant figures, 3.07 mL has 3 significant figures.
In the BBC Bitesize KS23 maths guide, you can learn how to round numbers to three significant figures. You'll also learn what a significant number is!
