and sighinicait ngur es. 1. 18 x 10-19– 5.21 x 10-20 O4.03 x 10-20 O4.0x 1020 6.59 x 10-20

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Chapter1: Chemical Foundations
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Solve the problem below and select the choice that expresses the answer using correct scientific notation and significant figures.
1. 18 × 10-19 – 5.21 x 10-
-20
4.03 x 10-20
O4.0x 10-20
0 6.59 x 10-20
O 6.6x 10-20
Transcribed Image Text:Solve the problem below and select the choice that expresses the answer using correct scientific notation and significant figures. 1. 18 × 10-19 – 5.21 x 10- -20 4.03 x 10-20 O4.0x 10-20 0 6.59 x 10-20 O 6.6x 10-20
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