❓#️⃣

#unknown number #variable x #variable n #placeholder x #placeholder number #symbolic representation

✨💙#️⃣

#style flair #n #number n #variable n #quantity n

📊👥𝑛

#sample size n #statistics n #variable n #data analysis #math symbol

🔢…𝑛

#mathematical n #variable n #sequence index #integer variable #math symbol

📦⃜📦n

#sets #common elements #variable n #math operation