## anonymous one year ago wht is 5p4 the 5 and 4 r small

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1. phi

you have to learn the definition. 5P4 means $\frac{5!}{4!}$ where 5! means 5 factorial , 5!= 5*4*3*2*1

2. phi

if you expand out the factorials $5P4= \frac{5\cdot 4\cdot 3\cdot 2\cdot 1}{4\cdot 3\cdot 2\cdot 1}$ notice the 4/4 and 3/3 etc all divide out (become 1) so this simplifies to 5

3. anonymous