anonymous
  • anonymous
MEDALS! What is the product of five square root five times six square root four? Simplify your answer. thirty square root nine Sixty square root five Sixty square root twenty four one hundred fifty square root four
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
Help :-:
DanJS
  • DanJS
\[5*\sqrt{5}*6*\sqrt{4}\] = ..
xkshx
  • xkshx
|dw:1447290171305:dw|

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More answers

xkshx
  • xkshx
sorry took so long
DanJS
  • DanJS
this one is kinda simple, you can take the root of 4, then multiply everything together, that is all
anonymous
  • anonymous
so 132 for the first step.
DanJS
  • DanJS
or the way usually if you cant simplify off the bat... \[a \sqrt{b} * c \sqrt{d} = (a*c)\sqrt{b*d}\] properties of powers or roots
anonymous
  • anonymous
It should be the second one.
xkshx
  • xkshx
\[60\sqrt{5}\]
DanJS
  • DanJS
it is a string of 4 things multiplied together, 2 roots and 2 numbers
anonymous
  • anonymous
132 is the whole number I used without the decimal.
anonymous
  • anonymous
Thank you guys
anonymous
  • anonymous
You both helper but...
anonymous
  • anonymous
There's only one medal I could give.
anonymous
  • anonymous
I will Medal one of you and fan another, sound fine?
DanJS
  • DanJS
what is the 132 you put?
anonymous
  • anonymous
132.(random numbers)
anonymous
  • anonymous
It was 134 but I took the decimals from both sides out to make life easy.
DanJS
  • DanJS
i'm not sure what you did
anonymous
  • anonymous
Mmm want me to show you?
DanJS
  • DanJS
oh a decimal approximation for the thing.. haha ok
anonymous
  • anonymous
Can you help me with one more please?
DanJS
  • DanJS
sure go for it
anonymous
  • anonymous
Thanks.
anonymous
  • anonymous
The side of a square is Three raised to the five halves power inches. Using the area formula A = s2, determine the area of the square. A = 9 square inches A = 15 square inches A = 225 square inches A = 243 square inches
DanJS
  • DanJS
these probs all use the properties of exponents... there are like 4 or 5 maybe that you have to remember, just the pattern for manipulating things..
DanJS
  • DanJS
so you want to square 3^(5/2)
anonymous
  • anonymous
15.625?
DanJS
  • DanJS
the property you have to remember is \[\large b^a * b^c = b^{a+c}\] when multiplying like bases raised to exponents, you add the exponents like that
DanJS
  • DanJS
so what would happen if you multiplied 3^(5/2) * 3^(5/2)
DanJS
  • DanJS
the bases have to be the same to combine them, both 3 here
anonymous
  • anonymous
6^(10/2)?
DanJS
  • DanJS
Or you can remember to just square the thing, by using another property for exponents a power raised to anothe rpower, you multiply them together to simplify like that \[\large [b^a]^c = b^{a*c}\]
DanJS
  • DanJS
close, you added the powers right, the base doesnt change though
anonymous
  • anonymous
Oh the base was 5?
anonymous
  • anonymous
Mmm?
DanJS
  • DanJS
For example if you have 2^2 * 2^5, you get a total of 7 2's if you expand those powers out 2*2*2*2*2*2*2, so the powers add , the base is the same
DanJS
  • DanJS
no, you have to square th elength of the side or multiply 2 of them together 3^(5/2) * 3^(5/2) = 3^(10/2)
DanJS
  • DanJS
if you square it , [3^(5/2)] ^2 = 3^(10/2) same
DanJS
  • DanJS
then just simplify the 10/2 to a 5, and raise 3 to the 5th power for the answer
DanJS
  • DanJS
after a couple practice probs, you will remember the patterns for combining powers, not to bad
anonymous
  • anonymous
243
anonymous
  • anonymous
That would be D
DanJS
  • DanJS
3*3*3*3*3
DanJS
  • DanJS
yea
anonymous
  • anonymous
Thank you very much!
anonymous
  • anonymous
With your methods, I think I could manage a problem like this.
DanJS
  • DanJS
welcome, these are the things to practice till you dont have to think about it http://image.slidesharecdn.com/7-2propertiesofrationalexponents-130128131758-phpapp02/95/72-properties-of-rational-exponents-2-638.jpg?cb=1359379179
DanJS
  • DanJS
and something to zero power is 1 roots are fraction powers square root(b) = b^(1/2)
DanJS
  • DanJS
thats about it prolly, goodluck
anonymous
  • anonymous
Thanks

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