Scientific Notation and Exponents

Perfect Squares

100

What is 9²?

81

200

What is 12²?

144

300

What is 16²?

256

400

What is 19²?

361

500

What is 24²?

576

Exponents

100

7⁵ written in expanded notation

7 x 7 x 7 x 7 x 7

200

5^-3 equals...

1/125

300

2⁴ x 2^-2 (actual answer)

4

400

-9²

-81 (remember that the negative is not squared unless in a parentheses!)

500

3² x 2³

8 x 9 = 72

Scientific Notation

100

5 x 10⁴

50,000

200

Rewrite this correctly: 145 x 10³

1.45 x 10⁵

300

Write this in scientific notation: 0.000034092 

3.4092 x 10^-5

400

Write in scientific notation:  643,000,900

6.430009 x 10⁸

500

Use <, >, or = to compare.

4.5 x 10³ ___  5.6 x 10²

>

Square Roots

100

Square root of 400

20

200

Square root of 225

15

300

Square root of 196

14

400

Square root of 289

17

500

Square root of 441

21