main

prev        

Statement of a problem № m40243

        next    

A psychologist shows a list of eight activities to a subject in an experiment. How many ways can the subject pick a first, second, and third activity? a. Identify the total number of objects n and the number of objects r being chosen in order. b. Find the quotient of n! and (n – r)!. (List the factors and divide out.) c. Write the result as a sentence.




New search. (Also 1294 free access solutions)

Online calculators