SOLUTION: How many significant digits are in 20.50?
Algebra.Com
Question 174657: How many significant digits are in 20.50?
Answer by tutorcecilia(2152) (Show Source): You can put this solution on YOUR website!
There are only three significant digits. The last zero is just a "place holder" and has no value.
If the number were 20.05, than it would have four significan digits because the last zero is followed by a number (other than another zero).
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