Distributing and Combining Like Terms

Distributing

100

−6(a + 8)

−6a − 48

200

6(−5n + 7)

−30n + 42

300

8(−b − 4)

−8b − 32

400

−4(−8x − 8)

32x + 32

500

-(5n - 7)

-5n + 7

Combining Like Terms

100

−8x − 11x

−19x

200

−5 + 9n + 6

9n + 1

300

n + 4 − 9 − 5n

−4n − 5

400

−3x − 9 + 15x

12x − 9

500

12r + 5 + 3r − 5

15r

Distributing and CLT

100

−4 + 7(1 − 3m)

− 21m + 3

200

−5n + 3(6 + 7n)

16n + 18

300

−9(6m − 3) + 6(1 + 4m)

−30m + 33

400

5(−2n + 4) + 2(n + 3)

−8n + 26

500

−7(n + 3) − 8(1 + 8n)

−71n − 29

Scientific Notation

100

What is 3.262 × 10³ in standard notation?

3,262

200

What is 0.0229 in scientific notation?

2.29 x 10^-2

300

What is 1.68 × 10^-4 in standard notation?

.000168

400

What is 3,890,000 in scientific notation?

3.89 x 10⁶

500

What is 99,540,000,000 in scientific notation?

9.954 x 10¹⁰

Mixed Review

100

10 + 3 − (−8)

21

200

−6k + 7k

k

300

−r − 10r

−11r

400

Adrianna is late for school 4 days out of the 5 school days in a week. How many days will she be late for a 180 day school year?

144 days

500

-8x²y³ _* 2xy⁴ _* -x^-1y

−12m + 10