Multiple Choice Question (MCQ)

The square root of 17,689 is exactly

  1. ×

    131

  2. ×

    132

  3. 133

  4. ×

    134

  5. ×

    136

Collected in the board: Square Root

Steven Zheng posted 14 hours ago

Answer

  1. The last digit of 17,689 is 9, which must be resulted in by squaring of a number whose last digit is 3 or 7. There's only 1 option to meet the criteria.

    Therefore

    C is the right choice


Steven Zheng posted 14 hours ago

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