How many 4-digit numbers can be formed from the digits 1, 3, 5, 6, 8, and 9 if
repetition of digits are allowed?
b. no repetition of digits are allowed?
360
if repetition of digits is not allowed the numbers of 4 digit numbers that can be formed from a 6 digit number
use this nPr
6P4 = 6.5.43
= 360
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Answers & Comments
Question:
How many 4-digit numbers can be formed from the digits 1, 3, 5, 6, 8, and 9 if
repetition of digits are allowed?
b. no repetition of digits are allowed?
Answer:
360
Explanation:
if repetition of digits is not allowed the numbers of 4 digit numbers that can be formed from a 6 digit number
use this nPr
6P4 = 6.5.43
= 360
★HopeItsHelp★
★CarryOnLearning★