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anzhelika [568]
2 years ago
13

PLEASEE HELP ME!!!!!

Chemistry
1 answer:
Yakvenalex [24]2 years ago
6 0

Answer:

Explanation:

8.61+5.779 = 14.389 = 1.4389 × 10^1

25 - 12.5 = 1.25 x 10^1

56.35 / 13.2 = 4.2689

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