This is a false statement.
false
false
false
false
You don't - just as you don't with a number in normal notation.
false
This is a false statement.
Yes. That's why those tests should be repeated several days apart.
Scientific laws are based on repeated observations and evidence, so they are considered unlikely to change. However, they can be updated or refined based on new discoveries or insights, as our understanding of the natural world evolves.
False, that's precision.
False
False
False
false
false
false
You don't - just as you don't with a number in normal notation.