Question

Find the least number by which 250 is to be multiplied so that the resulting number is a perfect square *

2 points

10

2

5

15

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Answer 1

Answer:

Step-by-step explanation:

250x = n², where n is an integer, is x = 1/10.

Check: 250/10 = 25 = 5²

For n being an integer, we notice that 250 = 25*10, and 25 being already a perfect square, it suffices to multiply 10 by itself to get a second perfect square.

So, x = 10.

Check: 250*10 = 2500 = 50²

Answer 2

Answer:

Find the least number by which 250 is to be multiplied so that the resulting number is a perfect square *

10