Question

show that 600 is not a perfect square?​

Answer 1

Answer:

So now we know the digital root of 600 is 6. Is 6 in the list of digital roots that are always a square root (1, 4, 7 or 9)? Answer: NO, 6 is not in the list of digital roots that are always perfect squares. We can conclude that 600 IS NOT a perfect square and we don't need to factor!

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Answer 2

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Step 1:

What is the last number of 600? It is this number: 600. The answer is 0. Is 0 in the list of numbers that are never perfect squares (2, 3, 7 or 8)?

Answer: NO, 0 is not in the list of numbers that are never perfect squares. Let's continue to the next step.

Step 2:

We now need to obtain the digital root of the number. Here's how you do it:

Split the number up and add each digit together:

6 + 0 + 0 = 6

What is the digital root of number 600?

Answer: 6

Step 3:

So now we know the digital root of 600 is 6. Is 6 in the list of digital roots that are always a square root (1, 4, 7 or 9)?

Answer: NO, 6 is not in the list of digital roots that are always perfect squares. We can conclude that 600 IS NOT a perfect square and we don't need to factor!

Hope it helps ♥️