Question

(d)
1. What are the possible units digits of the square roots of the following numbers?
(a) 996004
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Answer 1

Step-by-step explanation:

It is this number: 996004. The answer is 4. 9 + 9 + 6 + 0 + 0 + 4 = 28. 2 + 8 = 10. The answer is more than one digit again, we need to add each digit one more time: So now we know the digital root of 996,004 is 1.