### Chapter 2 - Algebra Coach Exercises

**Algebra Coach Exercise on multiplying numbers.**

For each question multiply the numbers.
To do this drag-and-drop each question into the
Algebra Coach and click the Simplify button repeatedly.
Pay particular attention to the minus signs.
- 5.2 * 7.6
- 0 * 3.2 * 8.6
- 1 * 9.6
- (-4.1) * 3.6
- 5.2 * (-3.6)
- 0 - 5.2 * 3.6
- (-2.2) * (-7.1)
- (-3)(-4)(-5)

**Algebra Coach Exercise on dividing numbers.**

For each question divide the numbers.
To do this drag-and-drop each question into the
Algebra Coach and click the Simplify button repeatedly.
Pay particular attention to the minus signs.
- 0 / 8.6
- 8.6 / 0
- (-4.1) / 3.6
- 5.2 / (-3.6)
- (-2.2) / (-7.1)
- (-3) / (-4) / (-5)

**Algebra Coach Exercise on scientific notation.**

For each question perform the indicated operation.
To do this drag-and-drop each question into the
Algebra Coach and click the Simplify button repeatedly.
- (3.2 * 10^5) * (2.5 * 10^3)
- (3.2 * 10^5) / (2.5 * 10^3)
- 50 (6.02 E 23)
- (1.6 E 19) * (3.0 E 8)
- 3.2 * 10^5 - 2.5 * 10^3

**Algebra Coach Exercise on significant figures.**

Round the following numbers to 1, 3 and 6
significant figures.
To do this drag-and-drop each number into the
Algebra Coach and then click the Sig. Figs. button.
- 3.1415927
- 2.7182818284590
- 0.000005286349
- 2435826.349
- 51