Question

What is the unit digit in the square root of 9801.​

Answer 1

Answer:

it is equal to 1 or 9

Step-by-step explanation:

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Answer 2

Answer:

Squares and Square Roots | Exercise 6.3

We know that the unit's digit of the square of a number having digit as unit's place 1 is 1 and also 9 is 1[9^{2} =81 whose unit place is 1]. ∴ Unit's digit of the square root of number 9801 is equal to 1 or 9.

Step-by-step explanation:

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