+1206 In how many ways can the digits of be arranged to form a 5-digit number? (Remember, numbers cannot begin with 0.)
+6248 If you are strictly enforcing 5 digits, as in no number can start with any number of zeros.
Then we have
\(n = 9 \cdot 10^4 = 90000\)
+343 He means with all numbers i understand with 5 numbers all the posible numbers we can take.I'm sorry ! :(
