exam Maths Puzzle Numerical Ability

I am having trouble with this problem, will someone please help me!
Evaluate P(7,3)
Thank you so much, Tami

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exam Other Question

two,four,six are the first three numbers that do not contain the letter e when they are wirtten out. what is the 23rd such number

tahnk you
alotttttttttttttttttttttttttt Solve to four decimal places:log(4) (x-9)=2.

Thank You