Answer :
answer
c) 2520
Step-by-step explanation:
1st digit 1 of 7
2nd digit 1 of 6
3rd digit 1 of 5
4th digit 1 of 4
5th digit 1 of 3
7*6*5*4*3=2520 combination
answer
c) 2520
Step-by-step explanation:
1st digit 1 of 7
2nd digit 1 of 6
3rd digit 1 of 5
4th digit 1 of 4
5th digit 1 of 3
7*6*5*4*3=2520 combination