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Mathematics 20 Online
OpenStudy (anonymous):

Simplify the following expression. 2^3 x 2^-5

OpenStudy (anonymous):

@iGreen

OpenStudy (anonymous):

@iGreen @iGreen

OpenStudy (anonymous):

I KNOW YOU!

OpenStudy (anonymous):

What?

OpenStudy (anonymous):

Look dude i just need help

OpenStudy (anonymous):

You're that other person from yesterday and the day before who kept tagging me and @iGreen .

OpenStudy (anonymous):

He had these math problems like you, had the word patrick in his username, and had a picture of patrick from spongebob.

OpenStudy (anonymous):

yeah okay plz help

OpenStudy (anonymous):

And no that was @PatrickWeeWoos

OpenStudy (anonymous):

YEAH, THAT GUY!

OpenStudy (anonymous):

Yeah you do realize im not him right

OpenStudy (anonymous):

Ok, whatever. When multiplying powers with the same base, you add the exponents.

OpenStudy (anonymous):

So 3 + -5 = ?

OpenStudy (anonymous):

-8

OpenStudy (anonymous):

No...

OpenStudy (anonymous):

8

OpenStudy (anonymous):

NO

OpenStudy (anonymous):

5+3=8

OpenStudy (anonymous):

Look, when you add a negative number to a positive, you make the negative a positive, then subtract. So It's 5 - 3. But then you have to make your answer negative.

OpenStudy (anonymous):

-2

OpenStudy (anonymous):

Yes... -.-

OpenStudy (anonymous):

So 1/2

OpenStudy (anonymous):

Then you use -2 for your exponent, so what's the answer?

OpenStudy (anonymous):

1/2

OpenStudy (anonymous):

WELL?

OpenStudy (anonymous):

?

OpenStudy (igreen):

You get \(5^{-2}\) @.PatrickStar.

OpenStudy (igreen):

Now simplify \(5^{-2}\), put it in Google.

OpenStudy (igreen):

What did you get? @.PatrickStar.

OpenStudy (anonymous):

25

OpenStudy (anonymous):

LOL!

OpenStudy (anonymous):

Thats what google gave me im not sure on tht

OpenStudy (igreen):

No, put '5^-2' in google..that's 5^2..

OpenStudy (igreen):

You forgot the '-' sign.

OpenStudy (anonymous):

4

OpenStudy (igreen):

No..it's a decimal.

OpenStudy (anonymous):

0.04

OpenStudy (igreen):

Yep! So that's your answer.

OpenStudy (anonymous):

Good job!

OpenStudy (anonymous):

Ok more

OpenStudy (igreen):

Okay, close this one and open a new one.

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