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First question.

square the top
what do you get?

16x

hmm no
\[(4x)^2=4x\times 4x\] which is not \(16x\)

this is hard Can you explain to me why? @TheSmartOne

4x times 4x = 4x^2
you forgot to multiply the variables

I MEAN 16x^2 sorry

okay, so would it be |dw:1435630935368:dw|

then which answer would it be? I think its d

no

c?

when multiplying fractions you multiply the denominators
4x/y * 4x/y = 16x^2/y^2

oh yes thats right you cant just multiply the numerator @090909090909

So c right? could you possibly help me with the next?

yah. try the next ones first though and I'll check them

okay! one sec

yis

could i have you check the next?

yeah I can check them all

looks like they had some trouble with the font size when they made up these questions `

yeah

@090909090909 says your answer is right

yay

i dont know how to do this one

See it's a strange one

\[\huge \frac{16s^2t}{8st^2}\] is what they want you to compute

okay let me take a crack at it

I think the answer is c

yes, it is usually C
it is in that case too

I hope so because if I don't get these right I might not graduate! one more question to check

Please check my answer @TheSmartOne

wrong

\(\sf\Large\frac{a^b}{a^c}=a^{b-c}\)

hmmmm

this is not easy to answer for sure

whaaaaaat

i would say 3 also

it's -3

Are you sure?

depends on your definition of "simplified form" which is why this is such a dangerous word to use

I'm not exactly sure what their definition is

in the previous questions, "simplify" meant "write using positive exponents only"

I just used a dividing monomials calculator and it said 3

\(\sf\Huge \frac{27x^2z}{-3x^2z^4}=-9z^{-3}\)

let me retry it once more

and \[-9z^{-3}=\frac{9}{z^3}\] so what is "simpler"?

ok actually it is \(-\frac{9}{z^3}\) but youi get the idea

yes, this goes right in to the "bad math" pile

i would go with 3 with the understanding that it is just a guess

I got -3

what the heck

im going with 3

who wrote the question?

on line school?

Yup

it has to say somewhere where the questions come from

it doesn't say it's becuase they don't wan their student looking up cheats