anonymous
  • anonymous
Which step do I do first? T=(3.14)√(2.9/32)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
first 2.9/32, than square root, then multiplication
anonymous
  • anonymous
so 2.9/32=.9 and then the √ of .9 is .3?
anonymous
  • anonymous
no. square root of 0.09 is 0.3 . Square root of 0.9 is between 0.9 and 1

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anonymous
  • anonymous
I'm confused, I used a calculator
anonymous
  • anonymous
You should. These are not easy to calculate without a calculator
anonymous
  • anonymous
Okay but you just told me I was wrong so now I'm confused
anonymous
  • anonymous
If you use a (scientific enough) calculator, it will calculate the expression in order
anonymous
  • anonymous
I was using my phone. I have a graphing calculator should I go get that and use it?
anonymous
  • anonymous
First 2.9/32 = 0.091 ---> (3.14)*sqrt(0.091) Then sqrt(0.091) = 0.3 ---> (3.14)*0.3 Then 3.14*0.3 = 0.942
anonymous
  • anonymous
Engineering students use one of those: http://www.productwiki.com/upload/images/casio_fx_115es.jpg But you can find nice calculators for iPhone and Androids
anonymous
  • anonymous
3.14*.3 is .945
anonymous
  • anonymous
I'm using a graphing calculator now.
anonymous
  • anonymous
No. It is 0.942 . Probably your calculator is calculating it wrong. But it is not very important. Because we already omitted some digits after division and square root operations.
anonymous
  • anonymous
A graphic calculator is useless for that kind of questions
anonymous
  • anonymous
http://www.wolframalpha.com/input/?i=3.14*0.3
anonymous
  • anonymous
\[T=3.14 \sqrt{\frac{ 2.9 }{ 32 }},T=3.14\sqrt{\frac{ 5.8 }{ 64 }}=\frac{ 3.14 }{ 8 }\sqrt{5.8}\]
anonymous
  • anonymous
\[T=3.14 \sqrt{\frac{ 2.9 }{ 32 }},T=3.14\sqrt{\frac{ 5.8 }{ 64 }}=\frac{ 3.14 }{ 8 }\sqrt{5.8}\]

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