In this math video I (Susanne) explain how to apply the order of operations to this math problem. We learn about using factorial in combinatorics to calculate how many ways there are to arrange people in a row. Mathematics explained. 00:00 Intro – Question 0:16 Order of operations 3:13 Factorial 4:47 See you later! *My German Math Channel:* ​⁠ @MathemaTrick *Find me on Instagram:* *Buy Me a Cup of Hot Chocolate?* ☕🍫 Creating these math tutorials takes a lot of brainpower and a warm cup of hot chocolate always helps! If you'd like to support my work and keep the tutorials coming, consider treating me to a virtual cup. 👉 Thank you so much for your kindness! It means the world to me! #fun #maths #mathematics