Question

The units digit of square of 347 is ______​

Answer 1

Answer:

9

Step-by-step explanation:

because 7^2 is 49 so square of any no.ending with 7 has unit digit 9.

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Answer 2

Answer:

$the \: unit \: digit \: of \: 347 \: is \: 7 \: \\ \\ square \: of \: 7 \: is \: 7 \times 7 = 49 \\ \\ so \: the \: unit \: digit \: of \: 347 \: is \: 9 \:$

your answer is 9

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