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Hello I am really struggling with this question for computer science

You are recording a piece of music on your computer using a sampling rate of 45kHz and each sample is 2 bytes.

For full marks, you must show all your working.

  • i.How many bits are in each sample? 
  • ii.How many bits per second are processed while the song is being recorded? Express your answer in scientific notation to 3 significant figures.
  • iii.If the song is 3 minutes and 10 seconds long, how many bits are processed in total? Express your answer in scientific notation to 4 significant figures.
  • iv.If the sampling rate is reduced to 40kHz how many bits will be processed using the same piece of music?  Express your answer in scientific notation to 3 significant figures.
  • v.What is the percentage decrease in the number of bits processed as a result of reducing the sampling rate from 45kHz to 40kHz. Express your answer to 2 decimal places.

I have tried to work them out but I am struggling please can you help me work them out


Many thanks

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