AIR MATH

Math Question

How many 3-digit numbers can be formed using numerals in the set \( \{3,2,7,9\} \) if repetition is not allowed? Note: \( { }_{n} \mathrm{P}_{r}=\frac{n !}{(n-r) !} \)

Solution

solution

AIR MATH homework app,
absolutely FOR FREE!

  • AI solution in just 3 seconds!
  • Free live tutor Q&As, 24/7
  • Word problems are also welcome!
appstoreplaystore

Scan the QR code below
to download AIR MATH!

qrcode