anonymous
  • anonymous
Find all the real square roots of 0.0009 Answer a. b. no real solution c. d.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
a.+or-0.3 c.+3 d.+or-0.01
myininaya
  • myininaya
\[\sqrt{.0009}=\sqrt{\frac{9}{10000}}=\frac{\sqrt{9}}{\sqrt{10000}}=\frac{\sqrt{3^2}}{\sqrt{10^3}}\] That should be a good hint :)
myininaya
  • myininaya
and since it says square roots just do plus or minus in front of that

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anonymous
  • anonymous
I got plus or minus .3
myininaya
  • myininaya
oops that was suppose to be 10^4 my bad
myininaya
  • myininaya
\[\frac{\sqrt{3^2}}{\sqrt{10^4}}=\frac{3}{10^2}=\frac{3}{100}\]
apoorvk
  • apoorvk
myininaya. i think when they post some thing like this \[x^2 =4\] then we write + or - before sqrt(a) but when it asks \[x = \sqrt{4}\] then we write only +2 as the answer. i donno why, although it means pretty much the same right??
apoorvk
  • apoorvk
i meant sqrt(4) instead of sqrt(a) over there.

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