Because if you raise it to the first its the same number and if you raise it to the zero power it becomes one
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Answer:
A cylinder's volume is π r² h, and its surface area is 2π r h + 2π r².
Answer:
Swimming can improve your health.
Step-by-step explanation:
Gerunds are nouns which derive from verbs and take the -ing form. In the sentence, the noun swimming functions as the subject of the verb can.
Gerunds are usually used as subjects of sentences, after certain verbs (such as enjoy and look forward to) and after prepositions.