part b true - false\nclassify each of these statements as always true, at; sometimes true, st; or never…

part b true - false\nclassify each of these statements as always true, at; sometimes true, st; or never true, n\nst 11. scientific notation is used to express large numbers in convenient form\nat 12. significant figures include all the digits that can be known accurately estimated.\nnt 13. an answer to calculations done with scientific measurements cannot precise measurement.
Answer
Explanation:
Step1: Analyze statement 11
Scientific notation can express both large and small numbers. So it's sometimes true that it's used for large numbers only.
Step2: Analyze statement 12
By definition, significant figures include all certain digits plus one estimated digit. So it's always true.
Step3: Analyze statement 13
Answers from scientific - measurement calculations can be precise. So the statement is never true.
Answer:
- ST
- AT
- NT