√425 with all steps plzzzzzzzzz........
Answers
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Step-by-step explanation:
Step 1:
What is the last number of 425? It is this number: 425. The answer is 5. Is 5 in the list of numbers that are never perfect squares (2, 3, 7 or 8)?
Answer: NO, 5 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:
4 + 2 + 5 = 11
If the answer is more than one digit, you would add each digit of the answer together again:
1 + 1 = 2
What is the digital root of number 425?
Answer: 2
Step 3:
So now we know the digital root of 425 is 2. Is 2 in the list of digital roots that are always a square root (1, 4, 7 or 9)?
Answer: NO, 2 is not in the list of digital roots that are always perfect squares. We can conclude that 425 IS NOT a perfect square and we don't need to factor!