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Author Question: Scientific notation is used in science because a. it makes it easy to write big or small numbers. ... (Read 70 times)

rlane42

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on: Jul 27, 2018
Scientific notation is used in science because
 
  a. it makes it easy to write big or small numbers.
  b. all astronomical distances are expressed in metric units.
  c. it makes conversions between units easy.
  d. all of the above

Question 2

The diagram below shows a light curve from a supernova. How many days after maximum light did it take for the supernova to decrease in brightness by a factor of 100?
 
 
   
  a.
  less than 50
  b.
  50
  c.
  150
  d.
  250
  e.
  more than 250


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joanwhite

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Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

C


rlane42

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Reply 2 on: Jul 27, 2018
Gracias!

mammy1697

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Reply 3 on: Yesterday
Excellent

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