as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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find the area of a sphere with radius 7 cm.
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the area of a sphere with radius 7 cm is 153.94 cm². this can be calculated using the formula a = 4πr², where r is the sphere's radius.
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