How many significant figures in 6.022 × 10²³?
6.022 × 10²³ has 4 significant figures. This is the Avogadro number. In a × 10ⁿ every digit of a counts, and the power of ten never does.
Significant figures
Tap a digit to see why it counts.
Round to
6.022 × 10²³→6.022 × 10²³
Nothing is dropped.
Add, subtract, multiply, divide
- 4.2374 significant figures
- 2.513 significant figures
Exact result1.68804780876
Multiply or divide: keep the fewest significant figures.
Digit by digit
- 622
Non-zero digit: countsEvery non-zero digit is significant.
- 0
Zero between digits: countsA zero between two non-zero digits is significant.
6.022 × 10²³
- Rounded to 2 significant figures6.0 × 10²³
- Rounded to 3 significant figures6.02 × 10²³
Nearby numbers
Rounding a value? See 2.745 to 3 significant figures.
6.022 × 10²³: quick answers
How many significant figures does 6.022 × 10²³ have?
6.022 × 10²³ has 4 significant figures. In 6.022 × 10²³, zeros between non-zero digits count. This is the Avogadro number. In a × 10ⁿ every digit of a counts, and the power of ten never does.
Why do the zeros inside 6.022 × 10²³ count?
A zero between two non-zero digits is significant, because it is a measured digit with a value, not a place holder.
What is 6.022 × 10²³ rounded to 3 significant figures?
6.022 × 10²³ rounded to 3 significant figures is 6.02 × 10²³. The first dropped digit is 2, less than 5, so the last kept digit 2 stays.