Mo2men wrote:
What is the unit digit of \(\frac{(5! 4!+6! 5!)}{3!}\) ?
1) 4
2) 3
3) 2
4) 1
5) 0
Every factorial greater than 4! has a units' digit of 0.
So (units' digits ONLY)
\(\frac{(0)(4) + (0)(0)}{6} =\frac{0}{6} = 0\)
Answer E
What is the unit digit of \(\frac{(5! 4!+6! 5!)}{3!}\) ?
1) 4
2) 3
3) 2
4) 1
5) 0
Every factorial greater than 4! has a units' digit of 0.
So (units' digits ONLY)
\(\frac{(0)(4) + (0)(0)}{6} =\frac{0}{6} = 0\)
Answer E
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