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A perfect square that ends in 0 must have how many zeros at the end?

Class 8Properties of Square NumbersSquares and Roots
  • Aan even number of zeros
  • Bexactly one zero
  • Can odd number of zeros
  • Dexactly three zeros

Step-by-Step Solution

A perfect square ends in an even number of zeros, e.g. 100 (two), 40000 (four). A single trailing zero like in 20 means it is not a perfect square.
Answer: A) an even number of zeros

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