The product should have 5 significant figures. The correct option is the first option 5
Significant figures
From the question, we are to determine how many significant digits the product should have
The given numbers are
5.2187 × 10⁻³, 2.05 × 10⁷, and 3.40 × 10³.
5.2187 × 10⁻³ has 5 significant figures
2.05 × 10⁷ has 3 significant figures
3.40 × 10³ has 3 significant figures
The product of the multiplication operation should have the greatest number of significant figures. The greatest number of significant figures is 5
Hence, the product should have 5 significant figures. The correct option is the first option 5
Learn more on Significant figures here: https://brainly.com/question/13062537
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