Question

How many ways can 3240 be expressed as a product of three numbers in unordered?

Answer 1

$<marquee =>Plz Mark As Brainliest</marquee>$

3240 = 23*34*51 = a*b*c

We have to distribute three 2's to a, b, c in 3+3−1C3−1 = 5C2 = 10 ways

We have to distribute four 3's to a, b, c in 3+4−1C3−1 = 6C2 = 15 ways

We have to distribute one 5 to a, b, c in 3 ways.

Total ways = 10*15*3 = 450 ways

$<marquee =>Plz Mark As Brainliest</marquee>$