Write the follwing numbers in scientific notation.

1. 1001	6. 0.13592
2. 53	7. -0.0038
3. 6,926,300,000	8. 0.00000013
4. -392	9. -0.567
5. 0.00361

 Section B: Converting Back (Scientific => Decimal)

1. 1.92 x 103	6. 1.03 x 10-2
2. 3.051x101	7. 8.862 x 10-1
3. -4.29 x 102	8. 9.512 x 10-8
4. 6.251 x 109	9. -6.5 x 10-3
5. 8.317 x 106	10. 3.159 x 102

 Section C: Multiplication, Division and ... with Scientific Notation

Use Scientific Notation (and only the scientific notation!) to find the answer to the following multiplictions, divisions, additions.

1. 4.1357 x 10^-15 . 5.4 x 10² = ?

2. 1.695 x 10⁴ ÷ 1.395 x 10¹⁵ = ?

3. 4.367 x 10⁵ . 1.96 x 10¹¹ = ?

4. 6.97 x 10³ . 2.34 x 10^-6 + 3.2 x 10^-2= ?

5. 5.16 x 10^-4 ÷ 8.65 x 10^-8 + 9.68 x 10⁴ = ?

 Section D: Significant Figures

For the following, write each with the correct number of significant figures.

1. 2.38617954 x 10^-1 * 1.15197705 x 10⁶
2. 3.0001 * 5
3. 1.12 x 10⁵ * 6.06 x 10⁵
4. 2.27513 x 10³ * 1.9376 x 10²
5. 2 x 10¹ * 3.0 x 10¹
6. 5.567 x 10⁸ / 2.215 x 10⁸
7. 2.775 x 10^-4 * 4.775 x 10⁴
8. 5 / 8.14 x 10²
9. 4.7192 x 10² / 3.862 x 10^-4