Question

How many significant figures are in each of the following?

(i) 4.003

(ii) 6.023 × 10²³

(iii) 5000

Options

• 3, 4, 1

• 4, 3, 2

• 4, 4, 4

• 3, 4, 3

Answer 1

4, 4, 4

Explanation:

4.003 `->` 4 significant figures

6.023 × 10²³ `->` 4 significant figures

5000 `->` 4 significant figures