Question

only correct answer ​

Answer 1

Answer:

we should multiple it by 5 it will give perfact square

Step-by-step explanation:

3645*2=7290

=√7290=85.381

3645*3=10935

=✓10935=104.57055

3645*5=18225

=✓18225=135

therefore answer is 5

Answer 2

Answer:

5

Step-by-step explanation:

when we factorise 3645 we get 9*9*9*5

so when v multiply 5 to it we get the perfect square (18225)...

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