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Mathematics 17 Online
OpenStudy (anonymous):

HELP!

OpenStudy (anonymous):

yes?

OpenStudy (anonymous):

Write $$10^0 - 10^{-1} + 10^{-2} - 10^{-3} + 10^{-4} - 10^{-5}$$ as a decimal.

OpenStudy (anonymous):

hmmm

OpenStudy (anonymous):

75 i think but that's not a decimal i definitely got that wrong

OpenStudy (anonymous):

You could show your work here. If anything is wrong, i could fix it.

OpenStudy (anonymous):

im new to this whole thing i dont exactly know how to do that sry

OpenStudy (anonymous):

i am very tired

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

Anyone else?

OpenStudy (anonymous):

\[10^0=1\] right?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

and \[10^{-1}=0.1\]

OpenStudy (anonymous):

so far we are at \(1-.1=.9\) just keep plugging

OpenStudy (anonymous):

\[10^0 - 10^{-1} + 10^{-2} - 10^{-3} + 10^{-4} - 10^{-5}\\ =1-.1+.01-.001+.0001-.00001\] use a calcualator

OpenStudy (anonymous):

Ok, thanks

OpenStudy (anonymous):

Wait, a moment, I need to calculate

OpenStudy (anonymous):

ok, 0.90909?

OpenStudy (anonymous):

YEs that's right! thanks!

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