Test Academy | The radius of a sphere is measured as (2.1± 0.5) cm. Calculate its surface area with error limits. (55.8± 26.4) cm², (55.2± 26.4) cm², (55.4± 26.4) cm², (555.4± 26.4) cm²

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

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