Okay pleaase look at the comment for the question this box is being dumb
stupid boxes :P
|dw:1334326984971:dw|
lol even the comment box was being stupid!
factor what is under the radical sign completely then take out anything you have two of for instance, what is the prime factorization of 98 ?
\[4\sqrt{2*49}=4*\sqrt{2*7^{2}}=28\sqrt{2}\]
hurry, befor turing erase this....:)
please note that myko is using the method I prescribed, so hopefully you won't have to ask this same type of question again
okay i understand how now but what if there was a number like this.......
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is that just an exponent for the 2?
I'm not erasing the above because it does show steps if @ParisWinter does not understand what myko did, they should ask for explanation. In any case, I hope not to see the exact same type of question again... oh wait, here we go again what is the prime factorization of 128 ?
64 i understand that but i dont understand what to do with the 3
64 is not the prime factorization of 128 do you know how to factor?
, ill figure it out but what do i need to do with 3
the 3 just tells you what you can take out; ^3
\[\sqrt[n]{a^n}=a\]
take out of 128?
take out from under the radical; does 128 have any perfect ^3s in it?
no
I think it does you should factor it and see
128 = 2 * 64 = 2*2*32 = 2*2*2*16 =2*2*2*2*8 =2*2*2*2*2*4 =2*2*2*2*2*2*2 =(2*2*2)*(2*2*2)*2
okay i dont see a three anywhere in that.
do you see any groups that contain 3 of the same numbers?
\[a*a*a = a^3\]
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