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How many significant figures are in the following numbers? (a) 280.0 ± 0.1 (b) 8.000 ✕...

How many significant figures are in the following numbers?

(a) 280.0 ± 0.1


(b) 8.000 ✕ 108


(c) 4.480 ✕ 10-12


(d) 0.0080

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