If the Square of a Number Ends with 10 Zeroes, How Many Zeroes Will the Number Have? - Mathematics

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Sum

If the square of a number ends with 10 zeroes, how many zeroes will the number have?

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Solution

We know that if a number ends with n zeros Then its square will have 2n zeroes Conversely, if square of a number have 2n zeros at their ends then the number will have n zeroes
The square of a number ends 10 zeroes, then the number will have `(10)/(2)` = 5 zeroes

Concept: Concept of Square Roots
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 3 Squares and Square Root
Exercise 3 (C) | Q 7 | Page 45
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