Chemists found that a complex reaction occurred in three steps. The first step takes 2.5731 × 1 0 2 s to complete, the second step takes 3.60 × 1 0 -1 s, andthe third step takes 7.482 × 1 0 1 s. What is the total amount of time elapsed during the reaction?A. 3.68 × 1 0 1 sB. 7.78 × 1 0 1 sC. 1.37 × 1 0 1 sD. 3.3249 × 1 0 2 s

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