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ololo11 [35]
3 years ago
11

Help help help plsss

Chemistry
1 answer:
Olin [163]3 years ago
8 0

Answer:

4.58×10^3

3.72×10^7

Explanation:

3.8×10^2 =380

+ 4.2×10^3=4200

= 4580 = 4.58×10^3

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