anonymous
  • anonymous
Help! Fan and medal for answer. Calculate the density of the irregular-shaped solid for each trial. (Divide the mass of the solid by the volume of the solid calculated above.) Mass of solid: 39.41 grams Volume of Solid: 00.49 Please bear in mind that I need the correct number of sig figs in my answer. Thank you! :)
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Do you know how many significant figures there are in the given mass and volume?
anonymous
  • anonymous
4?
anonymous
  • anonymous
thats correct for the mass

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anonymous
  • anonymous
So would my answer need only two sig figs because of the dividing rule?
anonymous
  • anonymous
yes
anonymous
  • anonymous
So it would be: 39.41/00.49= 80.428... But my answer would be 80?
anonymous
  • anonymous
8.0*10^1 is how you should write it because 80 has only one sigfig
anonymous
  • anonymous
But doesn't my answer need two?
anonymous
  • anonymous
trailing zeroes arent significant either if there's no decimal point
anonymous
  • anonymous
8.0*10^1 has 2 significant figures this kind of notation is better when dealing with significant figures
anonymous
  • anonymous
But I guess you could also write 80. i think
anonymous
  • anonymous
80 then decimal pt
anonymous
  • anonymous
do you get it?
anonymous
  • anonymous
Yeah. Thank you!

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