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Mathematics 19 Online
OpenStudy (anonymous):

HELP PLZZ!!! FOR MEDAL + FAN

OpenStudy (anonymous):

\[81 \to the power of \frac{ 1 }{ 3 }\]

OpenStudy (bibby):

You can rewrite fractional exponents as roots. What is the cube root of 81, \(\large \sqrt[3]{81}\)?

OpenStudy (anonymous):

81^1/3 is the same thing as 81 divided by 3.

OpenStudy (anonymous):

my answer choices are 8/3 2.7 2

OpenStudy (bibby):

Flawless @AnswerMyQuestions

OpenStudy (anonymous):

help plz

OpenStudy (anonymous):

So you only have 3 choices?

OpenStudy (anonymous):

yep

OpenStudy (anonymous):

Wait.

OpenStudy (anonymous):

1/3 = 0.33333333333, and 81^0.33333333333 = 4.32674871086.

OpenStudy (anonymous):

OpenStudy (anonymous):

so then whts the answer

OpenStudy (anonymous):

OH, IT'S 8^1/3!

OpenStudy (anonymous):

lol yes

OpenStudy (anonymous):

ooooooo i sai 81 crap srry

OpenStudy (anonymous):

1/3 = 0.33333333333, and 8^0.33333333333 = about 2.

OpenStudy (anonymous):

can u help me with one more plzzz

OpenStudy (anonymous):

Sure.

OpenStudy (anonymous):

OpenStudy (anonymous):

heres the question

OpenStudy (anonymous):

@AnswerMyQuestions

OpenStudy (anonymous):

Do you know what 1/2 is as a decimal?

OpenStudy (anonymous):

.5

OpenStudy (anonymous):

Ok, so do you know what 81^0.5 is?

OpenStudy (anonymous):

uhhh

OpenStudy (bibby):

\(\sqrt 81\)

OpenStudy (anonymous):

Yeah, if a number has a power of 0.5, or 1/2, you find the square root of that number.

OpenStudy (anonymous):

9

OpenStudy (anonymous):

Yes!

OpenStudy (anonymous):

tanxs

OpenStudy (anonymous):

Np.

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