Four + Four = eight 

4 + 4=8

Thanks CPhill, that means alot to me.

0.63g/cm^3 in kg/m^3=630 kg / (m^3)

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You dived 11,17,14 or you can muxtiyply 11, 17 then what you get for

that with the 14 then dived, what you got for 11,17 then 14 and what you got

from 11,17. 

You, do 91mi  dived as 63mi then X what you got when you dived with 153.4

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What equation are you talking about?

What kind of math, are you doing?

Yoy can cross products by,In mathematics, the cross product or vector product is a binary operation on two vectors in three-dimensional space and is denoted by a × b (where a and b are two given vectors). It results in a vector that is perpendicular to both and therefore normal to the plane containing them.