How many sig figs in 129.00? (Significant figures in 129.00)

How many sig figs in 129.00?

Here we will count how many significant figures (sig figs) are in 129.00 and show you what the sig figs in 129.00 are. In addition, we will also use the significant figures we found to write 129.00 in Scientific Notation and E-notation.

The significant figures of any number, like 129.00, are digits greater than 0, zeros between digits that are greater than 0, and trailing zeros in a number with a decimal point. Leading zeros and trailing zeros in a number without a decimal point are not significant figures. Using these parameters, we found our answers:

What are the sigs figs of 129.00?
Answer: 1 2 9 0 0

How many sig figs in 129.00?
Answer: 5

Using the significant figures of 129.00, we can express 129.00 in Scientific Notation and E-notation:

Scientific Notation:
129.00 = 1.2900 × 10²

E-notation:
129.00 = 1.2900e+2

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