Question
The radius of a sphere is measured as (2.1± 0.5) cm. Calculate its surface area with error limits.
Options :
(55.8± 26.4) cm²
(55.2± 26.4) cm²
(55.4± 26.4) cm²
(555.4± 26.4) cm²
Answer :
(55.4± 26.4) cm²
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