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SVEN [57.7K]
3 years ago
12

Help me out pls and thank you

Chemistry
1 answer:
Firdavs [7]3 years ago
6 0

Answer:

4.58×10^2

Explanation:

3.8×10^2 = 380

4.2×10^3 = 4200

4200+380= 4580

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