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How many significant numbers are there in 2.1390?
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4
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5
-
6
-
7
That's Correct!
It's Wrong!
The digits 2, 1, 3, and 9 are significant because they convey meaningful information about the value.
The trailing zero (0) at the end of the number is also considered significant when it comes after a decimal point. It indicates the precision of the measurement.
So, there are five significant figures in the number 2.1390.
