Respuesta :
The answer is 3, because 5,8, and 9 are significant because they aren’t zeros.
Answer:
There are five.
Explanation:
Significant Figures
-All non-zero numbers ARE significant. ...
-Zeros between two non-zero digits ARE significant. ...
-Leading zeros are NOT significant. ...
-Trailing zeros to the right of the decimal ARE significant. ...
-Trailing zeros in a whole number with the decimal shown ARE significant.