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Mathematics 7 Online
OpenStudy (anonymous):

If for any positive integer n, $(n) represents the number of positive divisors of n, what is the value of $($($(12)))?

OpenStudy (anonymous):

ty for coming again

hartnn (hartnn):

what are divisors of 12?

OpenStudy (anonymous):

ehh

OpenStudy (anonymous):

1,2,3,4,6,12?

hartnn (hartnn):

right, count them.

OpenStudy (anonymous):

there are 6 in total

hartnn (hartnn):

what are divisors of 6?

OpenStudy (anonymous):

2 and 3

hartnn (hartnn):

1,6?

OpenStudy (anonymous):

ahh

OpenStudy (anonymous):

there are 4 then

hartnn (hartnn):

what are divisors of 4?

OpenStudy (anonymous):

1,2, and 4

hartnn (hartnn):

total?

OpenStudy (anonymous):

ehh

OpenStudy (anonymous):

13?

hartnn (hartnn):

total number of divisors of 4 only ?

OpenStudy (anonymous):

3

hartnn (hartnn):

thts your answer.

OpenStudy (anonymous):

because...

OpenStudy (anonymous):

$(n)

OpenStudy (anonymous):

it is the last one?

OpenStudy (anonymous):

so that's why it is 3?

hartnn (hartnn):

($(12))=6 ($($(12))=$(6)=4 $($($(12))=$($(6))=$(4)=3

OpenStudy (anonymous):

ahh

OpenStudy (anonymous):

one more problem :)

hartnn (hartnn):

how many are there?

OpenStudy (anonymous):

alot

OpenStudy (anonymous):

but this is the last one for today :)

hartnn (hartnn):

last? then ok....

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