Determine the correct number of significant figures for the result of a computation. Describe the relationship between the concepts of accuracy, precision, uncertainty, and discrepancy.

For this class only we will consider all numbers less than 1000 as significant. That means 900 has 3 significant digits and 1000 has 1 significant digit.

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 …

You will learn how to determine the number of significant figures in a measurement, apply the rules for rounding off, and perform arithmetic operations while maintaining precision.

Nov 18, 2025 · In this article, you’ll learn what significant figures are, the rules for determining them, and how to apply arithmetic operations on them.

Jun 25, 2025 · Different exam boards assess the correct use of significant figures in slightly different ways, but there are some consistent rules. AQA A Level Physics examiners will not …

Significant Figures are a necessary part of any math based science. Significant Figures are the digits in your number that were actually measured plus one estimated digit.

Usually, the reading is described by a number which includes all the digits which are reliable and the first digit which is uncertain. These all in total are known as the significant digits or …

Dec 1, 2025 · Significant figures are used to report a value, measured or calculated, to the correct number of decimal places or digits that will reflect the precision of the value. The number of …

May 8, 2014 · There are six basic rules dealing with significant figures. Here are six basic rules: Non-zero digits are always significant. Example: 345 has three significant figures. Zeros …