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Scilla [17]
3 years ago
8

(5 x 10-21) - (4 x 10-22)​

Chemistry
2 answers:
Alborosie3 years ago
6 0

Answer:

11

Explanation:

5×10-21 = 29

4×10-22 = 18

29 - 18 = 11

Ivanshal [37]3 years ago
5 0

Answer:

29     and      18

Explanation:

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