write the possible units digit of the square roots of the following numbers. which of these numbers have odd square roots?
1) 9801
the answer is( 1 or 9 , odd) but how
please answer with step by step explanation
1) 9801
the answer is( 1 or 9 , odd) but how
please answer with step by step explanation
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Because the unit digit in the product of 9×9 is 1.
And also the unit digit in the product of 1×1 is 1.
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