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Problem #65 · September 30, 2026

Natural numbers

In the number 64896489, what is the digit 44's place (position) value equal to?
  1. A44
  2. B4040
  3. C400400
  4. D40004000
  5. E489489

WORKED EXAMPLE

Solution

Let us write the number as a sum of place-value units: 6489=6⋅1000+4⋅100+8⋅10+9⋅16489 = 6\cdot1000 + 4\cdot100 + 8\cdot10 + 9\cdot1. The digit 44 is in the hundreds place, so its place value equals 4⋅100=4004\cdot100 = 400.
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