Section: Science

86)

Express the number 1549.3 in proper scientific notation with the correct amount of significant figures: 

1. 1.549.3 × 10³
2. 1549.3 × 1¹⁰
3. 1.5493 × 3¹⁰
4. 1549.3 × 10³
5. 15.493 × 10³