Scientific notation is a common way of writing very large numbers. In everyday life we see this when dealing with cell phone storage. If a phone has 10 gigabytes of hard drive spacethat means that it has 10×109 bytes of space. A megabyte is 1×106 bytes.If our phone with 10 gigabytes of free storage downloads a game that takes of 76 megabytes, how much free storage is left?Describe the process of subtracting numbers in scientific notation and give the solution.Discuss other place we frequently see scientific notation in real life?

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Asked Jul 31, 2019
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Scientific notation is a common way of writing very large numbers. In everyday life we see this when dealing with cell phone storage. If a phone has 10 gigabytes of hard drive space

that means that it has 10×109 bytes of space. A megabyte is 1×106 bytes.

  1. If our phone with 10 gigabytes of free storage downloads a game that takes of 76 megabytes, how much free storage is left?
  2. Describe the process of subtracting numbers in scientific notation and give the solution.
  3. Discuss other place we frequently see scientific notation in real life?
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Expert Answer

Step 1

(1)

It is given that phone has 10 GB (gigabytes) free storage:

Since,

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10 GB 10x10 Bytes =1010 Bytes =104x106 Bytes

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Step 2

And, size of game is:

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76 MB 76x100Bytes

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Step 3

So, free space will ...

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free space phone storage-game size 1010)76:-10 Byres 106(10000)-(76)]Bytes =9924x100Bytes =9.924x109Bytes =9.924 GB

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