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How many significant figures are in the number 123.9?
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How many significant figures are in the number 123.9?

User Dominic Cotton
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Your answer is 4 significant figures.
This is because the number of digits in the number 123.9 is 4, and to find the number of significant figures you count how many digits are given in the number.
I hope this helps!
User Nacnudus
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