8th Grade Thanksgiving Review

Exp Rules

100

(6⁶)(6³)

6⁹

200

  3⁵

^_____

  3⁸

1/3³ or 1/27

300

is 4^-2 the same as 1/16, explain with words and show with math 

yes. negative exp to the bottom. 4² is 16

Scientific Notation

100

write .00045 in scientific notation

4.5 x 10^-4

200

(2 x 10⁵)(3 x 10^-2)

6 x 10³

300

(3 x 10⁴)(6 x 10⁵)

1.8 x 10¹⁰

Simplify Expressions

100

4(6x + 10) - 8x - 3

16x + 37

200

-5v + 24 + -9v - 3

-14v + 21

300

3(2z - 4) + 4(3z - 3)

18z -24

2 Step Eqs

100

7 = -3 + 2t

t = 5

200

-8 = -2d + -20

-6

300

   c - 3

_______ = 5

     4

23

Multi Step Eqs

100

-5b + 19 = -6b

-19

200

2w + 4w - 7 = -w + 14

3

300

Four times a number is three less than three times the same number

-3