Ch. 7 Skills Review (Alg.1)

Multiplying w/ Exp.

100

6x⁴ * 2x³

12x⁷

200

10x⁸ * 4x²

40x¹⁰

300

-5x * 3x

-15x²

400

6x³y² * 2x²

12x⁵y²

500

-2x⁴y⁸ * -3x²y³

6x⁶y¹¹

Dividing w/ Exp.

100

(x^4)/x^2

x²

200

(12x^5)/(4x)

3x⁴

300

(18x^4)/(9x^3)

2x

400

(-20x^4y^2)/(5xy

-4x³y

500

(-50x^5y^5)/(-25x^2y^2)

2x³y³

Square Roots

100

Write 25^1/2 in radical form and simplify

sqrt25 = 5

200

Write 81^1/2 in radical form and simplify

sqrt81 =9

300

sqrt25 + 10

15

400

sqrt64 + sqrt16

12

500

25^(1/2) + sqrt36

11

Cube Roots

100

Write 8^1/3 in radical form and simplify

root(3)8 = 2

200

Write 27^1/3 in radical form and simplify

root(3)(27) = 3

300

root(3)(8) + 8

10

400

root(3)(27) - root(3)(1)

2

500

64^(1/3) + root(3)(8)

6

Scientific Notation

100

Write in scientific notation

4,200,000

4.2x10⁶

200

Write in scientific notation

0.0000035

3.5x10^-6

300

Write in scientific notation

524,000,000

5.24x10⁸

400

Write in scientific notation

0.000000701

7.01x10^-7

500

Write in scientific notation

900,300,000

9.003x10⁸