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Mathematics 19 Online
OpenStudy (anonymous):

Write this expression in exponent form x * x * x * y * y + 2* y* y* y - 3* x* x * z A. x^{3} + y^{2} + 2 + y^{3} - 3 + x^{2} + z B. x^{3}y^{2} + 2y^{3} - 3x^{2}z C. x^{2}y^{3} + 2y^{3} - 3x^{2}z D. x^{3} + y^{2} + 2y^{3} - 3x^{2}z

OpenStudy (anonymous):

I know how to do this. Just don't know if it's A or D

OpenStudy (anonymous):

How many x's are there? How many y's are there by themselves? How many y's are by the 2? How many x's are next to the -3? How many z's are there?

OpenStudy (anonymous):

is it X3 + y2 + 2 + y3 + 3 + x2 + z?

OpenStudy (anonymous):

Here, I'll parentheses them so you get a better understanding. \[\large \sf (x * x * x) * ( y * y) + (2* y* y* y) - (3* x* x ) * z\]

OpenStudy (anonymous):

ok then x3 + y2 + 2y^3 - 3x^3 + z

OpenStudy (alexandervonhumboldt2):

and waitttttttt

OpenStudy (anonymous):

wiat hwat?

OpenStudy (anonymous):

I hoenstly don't know what it is now

OpenStudy (anonymous):

Actually, you have a couple things wrong. There is no addition sign between the x^3 and the y^2 so they are multiplied together, not added. The same thing between the -3x^2 and the z. They are multiplied together, not added.

OpenStudy (anonymous):

so x^3 x y^2 + 2y^3 - 3^x2 x z?

RhondaSommer (rhondasommer):

D

OpenStudy (anonymous):

Correct. Just keep in mind there isn't a multiply sign between them, just that they would be next to each other. So the end product would be \[\large \sf x^{3}y^{2}+2y^{3}-3x^{2}z\]

OpenStudy (anonymous):

ohh

RhondaSommer (rhondasommer):

nope C sorry

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