How many sig figs in 42? (Significant figures in 42)

How many sig figs in 42?

Here we will count how many significant figures (sig figs) are in 42 and show you what the sig figs in 42 are. In addition, we will also use the significant figures we found to write 42 in Scientific Notation and E-notation.

The significant figures of any number, like 42, 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 42?
Answer: 4 2

How many sig figs in 42?
Answer: 2

Using the significant figures of 42, we can express 42 in Scientific Notation and E-notation:

Scientific Notation:
42 = 4.2 × 10¹

E-notation:
42 = 4.2e+1

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