horsegal244
  • horsegal244
Pic Below Its An Essay Will Medal And Fan for Best Answer!
Mathematics
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schrodinger
  • schrodinger
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horsegal244
  • horsegal244
@phi
horsegal244
  • horsegal244
phi
  • phi
For part a) divide the first number by the 2nd number

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horsegal244
  • horsegal244
i already got to the fraction
horsegal244
  • horsegal244
nvm
phi
  • phi
then you do the two parts: 3.9/2.45 and the 10^33 / 10^5 <-- for this part you do 33-5 = 28 as the new exponent
phi
  • phi
you get 1.5918e28 but I think we round to just 2 decimals 1.6e28
phi
  • phi
can you do part B?
horsegal244
  • horsegal244
ya
phi
  • phi
a mm (millimeter) is 1/1000 of a meter in other words we need 1000 of them to make a meter (about 3 feet long) 10^4 is 10,000 so 10^4 mm is 10 meters that is quite large compared to a DVD , let along the "tracks" on a DVD

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