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Write these numbers in order of size - Edexcel - GCSE Maths - Question 11 - 2020 - Paper 1

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Question 11

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Write these numbers in order of size. Start with the smallest number. 6.72 x 10^5 67.2 x 10^4 672 x 10^1 0.000672

Worked Solution & Example Answer:Write these numbers in order of size - Edexcel - GCSE Maths - Question 11 - 2020 - Paper 1

Step 1

Identify the numbers

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Answer

The numbers provided are:

  • 6.72 x 10^5
  • 67.2 x 10^4
  • 672 x 10^1
  • 0.000672

Step 2

Convert to standard form

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Answer

To compare these numbers easily, convert them to the same format:

  • 6.72 x 10^5 = 672000
  • 67.2 x 10^4 = 67200
  • 672 x 10^1 = 6720
  • 0.000672 = 6.72 x 10^-4

Step 3

Order the numbers

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Answer

Now, we arrange the numbers in ascending order:

  1. 0.000672 (or 6.72 x 10^-4)
  2. 672 x 10^1 (or 6720)
  3. 67.2 x 10^4 (or 67200)
  4. 6.72 x 10^5 (or 672000)

Step 4

Final answer

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Answer

The numbers in order of size from smallest to largest are:

  • 0.000672
  • 672 x 10^1
  • 67.2 x 10^4
  • 6.72 x 10^5

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