Sony Alpha A6000 Review

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how to do permutations on the ti 89 calculator. the common core related standard is, “usepermutations and combinations to compute probabilities of compound events and solve problems.” remember the formula for permutations is nfactorial divided by (n – r) factorial. where n is the total number of objects andr is the number of those objects that you want to arrange in an order. thus, order mattersin permutations. permutation notation is also written as: littlen, capital p, and little r. npr. example. we have five different colored boxes.red, blue, green, orange, and purple. how many different ways can we order any threeof those five boxes.

so the permutation notation is five p three.the permutation formula is five factorial divided by five minus three factorial. to solve with the ti 89 calculator. go tosecond, math. math is the five key. choose number seven, probability. and choose number two, npr now on the calculator you see the permutationnotation npr with an open parentheses. enter the n variable which is five. enter a comma,and enter the r variable, which is three. now put a closed parentheses. to calculate the answer, hit the enter buttonon the lower right of the calculator. and the answer is sixty. if you choose anythree of the five colored boxes, you can make

sixty different ordered combinations. if you like this video, please give it a thumbsup and subscribe to this channel.

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