alleryIn numbers written in scientific notation, which digits are significant?
AAll but three
BAll of them
CAll but one
DAll but two
Answer & Solution
Correct answer: B. All of them
1. Scientific notation separates value from magnitude.
2. No digit is left in only to place the decimal point.
3. In numbers written in scientific notation, all digits are significant.
4. So the answer is all of them.
_Source: syllabus Chemistry Part I, Unit 1 'Some Basic Concepts of Chemistry'_
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