8th Grade Review CFA #1

Rules of Exponents

100

Simplify: m⁷ x m^-5

m²

200

Simplify: 7⁸ / 7⁵   

7³

300

(14⁴)⁹

14³⁶

400

Simplify: q⁵+q^-5

1

500

Simplify: H⁵ / H¹⁰

1 / H⁵

Scientific Notation

100

Write 390 in scientific notation. 

3.9 x 10²

200

Write .0000567 in scientific notation. 

5.67 x 10⁵

300

Write 9.87 x 10⁹ in standard notation. 

9,870,000,000

400

Write 1.23 x 10^-6 in standard notation. 

.00000123

500

How many times bigger is 6 x 10³ than 3 x 10³?

2 times bigger

Roots

100

What is the square root of 81?

9

200

What is the square root of 49? 

7

300

Between what two numbers does the square root of 63 lie? 

7 and 8

400

Between what two numbers would the square root of 105 lie? 

10 and 11

500

What's the approximate value of the cube root of 30?

a little more than 3

Integers

100

11 + (-15)

-4

200

15 - (-15) 

30

300

12 x (-2) 

-24

400

-55 / -11 

5

500

-8 + (-15) + 17 

6

Miscellaneous

100

"Sin City" is the nickname of this city. 

Las Vegas 

200

Mickey Mouses' shorts are this color. 

Red 

300

This ocean runs along the coast of California. 

Pacific 

400

Orange is a mixture of these two colors. 

Red and yellow 

500

This NFL quarterback has 6 Super Bowl wins, the most of any quarterback. 

Tom Brady <3