Question

please tell which option is correct in the attachment

Answer 1

Answer:

Step-by-step explanation:

Split the number up and add each digit together

4+5+0=9

The digital root of 450 is9

Answer 2

Answer:

Option 3

Step-by-step explanation:

multiply or divide it by 2

because 450×2 = 900

now√900 = 30

or

450/2 = 225

so √225 = 15

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