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GuestOct 12, 2013

+118725

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2 m ³ = 2*100*100*100 = 2000000 = 2*10 ⁶ cm ³

10 ⁴ kg = 10 ⁴*1000 g = 10 ⁷ = 10000000 g

density = 10 ⁷ / 2*10 ⁶

density = 5 g/cm ³

Your first answer was correct.

You could say that density = 5*10 ⁰ but since 10 ⁰ is just 1 it is not needed.

density = 5 g/cm ³ is in scietntific notation just as is.

MelodyOct 12, 2013

+118725

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2^3+48x(-24)-(2+15x4)
8-1152-62
-1206

MelodyOct 12, 2013

+2

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Get answer form here...
algebra. com /algebra/ homework/ Pythagorean-theorem.faq.hide_answers.1.html

Nicole45Oct 12, 2013

+118725

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English transation

The official dealer in Russia ORTHOMOL

Taking this medication regularly, you can improve your health , boost immunity, help your body resist stress and excessive stress. Vitamins " Orthomol " : an individual approach to health like any other medication , vitamins " Orthomol " must be selected individually. Common vitamins universal family in a vial , usually do not have the proper effect on the organism . We offer to purchase vitamins " Orthomol " that will be fed individually for each member of your family and enrich the body with essential nutrients you can buy these vitamins for : · men · women · children.

Ok official dealer, now your ad is on the site in 2 languages. How about that.
Хорошо официального дилера, теперь ваши объявления на сайте на 2 языках. Как об этом.

MelodyOct 12, 2013

+118725

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Well, if it was solid it would have some bouancy because of its shape so I think it would tend to float.

I just did an experiment in my kitchen.
I filled up a jug with water,

then I filled up a little glass with water and dropped in a little food colouring.
You need very little food colouring to make the water go a rich colour.
so, I figure that the density of the coloured water must be almost identical to the density of the tap water.

Now I put just a drop of the coloured water into the jug.
It broke the water tension when it dropped, so it did go a little under the surface.
then it settled and stayed right where it started.
Eventually after a considerable period of time, it dispersed/disolved and became one with the water.

Anyway, my conclusion is that if there is no bouyancy effect than the introduced material would stay at the level where it started.

MelodyOct 12, 2013

+118725

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An investment of $1000 to double with an interest rate of 13% per year ???
Sorry, it doesn't make sense.

MelodyOct 12, 2013

+118725

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root66 can only be simplified is a square number goes onto 66
square numbers are 1,4,9,16,25,36,49,.......
do any of these square numbers go into 66?

MelodyOct 12, 2013

Oct 11, 2013

+40

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THANK YOU!!!! That was very helpful

OliveOct 11, 2013

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-6-288/5= -318/5

GuestOct 11, 2013

+2

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pendsOct 11, 2013

+118725

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I just fixed a couple of little typos in my answer.
It might make more sense now.

MelodyOct 11, 2013

+118725

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(3x to the power of 3)*(3x to the power of 4)*(-3xto the power of 2)=?

3x ³ * 3x ⁴ * -3x ²

=3*3*-3* x ³ * x ⁴ * x ²

= 3*3*-3* xxx * xxxx * xx

can you do it from here?

MelodyOct 11, 2013

+118725

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I just had a thought, bones are not solid.
Maybe old bones are hollow, I am not sure.
If 1.7 is the density of the bone part and does not include the middle then a full bone may well be able to float.

MelodyOct 11, 2013

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http://answers.yahoo.com/question/index?qid=20060610130653AAvt0DM

I googled it because I don't have a spare bone lying about to check for real. That is what the link above is.

The bone density is 1.7g/cm ³,
The water density is 1g/cm ³, (to 1 or even 2 significant figures : 0.99821)
the bone is quite a lot denser than water so normally I think it would sink.
It can only float is it is the right shape to promote bouyancy.
The articals I read said that human bones do float but I think they may have been refering to salt water which is denser.

MelodyOct 11, 2013

+118725

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That is the same only to 1 significant figure.
cheers.

MelodyOct 11, 2013

+40

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would a bone in water and room temperature sink?

OliveOct 11, 2013

+40

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More or less I got 5 g/cm^3

OliveOct 11, 2013

+40

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That makes sense. So the styrofoam and ice would somewhat float? And what the bone? Would it just be an in-betweener (not rock-bottom but doesn't float)?

OliveOct 11, 2013

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GuestOct 11, 2013

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to find percent of a number multiply the number with that percentage and divide it by 100.
so 10% 5 = 10*5/100 = 50/100 = .5

GuestOct 11, 2013

+118725

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First I googled the density of fresh water at 20 degrees celcius and got 998.21Kg/cubic metre
I changed the Kg to grams and the 1cubic metre to cubic cm and did the division.
If the density of the material is greater than water it will sink, if less then it will float.
that's my logic anyway.

get back to me if you want more help or to check you answer against mine.

MelodyOct 11, 2013

+5478

+6

so 10% is basically 10/100, =0.1
10% * 5
=0.1*5
=0.5

kitty<3Oct 11, 2013

+118725

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You are very welcome
did you get 3645 / (9^3) = 0.499 g/cm ³ (to 3 significant figures)

MelodyOct 11, 2013

+40

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Thank you much!

OliveOct 11, 2013

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