9.9999 round off to 3 significant figure.
Answers
Given : 9.9999
To Find : 9.9999 round off to 3 significant figure
Solution:
9.9999
Has 5 significant figures
number to be rounded to 3 significant figures
9.9999 rounded
10.000 has 5 significant figures
10.00 has 4 significant figures
10.0 has 3 significant figures
Hence correct answer is 10.0
9.9999 round off to 3 significant figure is 10.0
Significant figures
All non-zero digits are significant.
The leftmost nonzero digit is the first or most significant figure.
If there is a decimal point, the rightmost digit is the last or least significant figure
If there is no decimal point explicitly shown, the rightmost non-zero digit is the least significant figure
All digits between the most significant figure and the least significant figure are significant.
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