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Mathematics 15 Online
OpenStudy (anonymous):

Which number is irrational √100/3 0.46 √8 0.8 the 8 in 0.8 has a little line on top

OpenStudy (skullpatrol):

any ideas?

OpenStudy (anonymous):

i think that irrational numbers are like numbers that dont mean sense

OpenStudy (anonymous):

hmmmm

OpenStudy (anonymous):

ike pi is a famous irrational number

OpenStudy (skullpatrol):

does pi make sense?

OpenStudy (anonymous):

not really

OpenStudy (anonymous):

it goes on forever

OpenStudy (anonymous):

your right

OpenStudy (anonymous):

i know its not b

OpenStudy (skullpatrol):

so does 1.000... = 1

OpenStudy (anonymous):

or d

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

1.000=1

OpenStudy (anonymous):

so it either b or c

OpenStudy (anonymous):

right?

OpenStudy (skullpatrol):

you need the three dots

OpenStudy (skullpatrol):

1.000... = 1

OpenStudy (anonymous):

excuse me?

OpenStudy (anonymous):

so is it b or c

OpenStudy (anonymous):

id like an explanation as well

OpenStudy (skullpatrol):

you said numbers that go on forever don't make sense I said all numbers go on forever. for example 1.000... = 1

OpenStudy (anonymous):

ok

OpenStudy (skullpatrol):

so we need a definition of an "irrational number", right?

OpenStudy (anonymous):

yes

OpenStudy (skullpatrol):

do you know what a "rational number" is defined as?

OpenStudy (anonymous):

the ratio of two numbers i think

OpenStudy (skullpatrol):

very good, so an irrational number can not be expressed as a ratio of two integers

OpenStudy (anonymous):

so is it c?

OpenStudy (anonymous):

bcuz that's only one integer

OpenStudy (skullpatrol):

yes

OpenStudy (anonymous):

thank you

OpenStudy (anonymous):

can i tag you in my other question

OpenStudy (skullpatrol):

thanks for asking :)

OpenStudy (anonymous):

ty

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