See what we can offer to your school
"SimpleStudy just makes sense...”
Get the best plan for your school
11 cards from this deck
Different ways to order/sequence distinct objects
6 (ABC, ACB, BAC, BCA, CAB, CBA)
n×(n−1)×(n−2)×...×2×1n \times (n-1) \times (n-2) \times ... \times 2 \times 1n×(n−1)×(n−2)×...×2×1
3×2×1=63 \times 2 \times 1 = 63×2×1=6
5×4×3×2×1=1205 \times 4 \times 3 \times 2 \times 1 = 1205×4×3×2×1=120
n!n!n!
Count choices for each position, multiply together
Fill restriction boxes first, then remaining positions
Treat as one unit, multiply by internal arrangements
7!=50407! = 50407!=5040
Order matters
Select your subjects, and get access to A+ resources today.