Answer:
2. 3
4. see attached
Step-by-step explanation:
2. A root of 3 means the corresponding factor is (x-3). That factor appears 3 times in the product, so the root has multiplicity 3.
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4. A probability calculator tells you the 20th percentile corresponds to a rate of 140.23 mm/year. The two selections marked in the attachment are greater than this value.
