Significant Figure Rules | Precision in Science and Math

Struggling with significant figures in chemistry, physics, or engineering? In this quick guide, I’ll show you how to count sig figs, round answers correctly, and apply the rules for multiplication, division, addition, and subtraction — step-by-step, without confusion. Whether you’re taking college STEM courses or preparing for AP/IB Chemistry, Physics, or Engineering, mastering sig figs is essential for clear, precise answers and avoiding lost points on homework, labs, and exams. 👉 What you’ll learn in this video: How to identify significant digits in any number The rules for rounding in different types of calculations Practice problems to build confidence and avoid common mistakes This video is part of my STEM Basics Playlist — short, clear lessons designed to help you build the math and science skills every STEM student needs. 🔔 Subscribe for more STEM lessons: https://www.youtube.com/@TheEquationStationYT?sub_confirmation=1 💬 Comment below: What’s the hardest STEM skill you want me to cover next, and what’s one way I can improve my content?