"Why wouldn't the ghost cross the road?" Simplify the following expressions and write your answer in scientifice notation. The answer to each problem will match a letter that wil allow you to figure out the joke. I: 1.2 x 10 1. 2,300 x 40o N: 3 x 10 2. 0.004 x 0.0003 E: 9.2 x 10 A: 5x 10+ 2000 3. 0.004 H 5.4 x 10+ R: 9.2 x 10 4. 50 x 0.00008 L: 4 x 10 60 5. D: 2.24 x 10 12,000,000 O: 1.2 x 10 75,000 6. 0.25 T: 5 x 10 7. 32,000 x 7,000 U: 4 x 10 B: 3 x 10 300,000 8. 0.06 G: 6 x 104 C: 2.24 x 10 0.0024 9. 400 S: 5x 10 10. 0.0009 x 0.006 - 10 1 10 5 6 2 3.

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.