Finals Review

Exponents

100

6⁵ x 6² x 6⁷=

6¹⁴

200

3^8/3⁶=

3²

300

What law is this? 2⁰=1

Law of Zero

400

What is 2² x 3²?

6²

500

Rewrite the negative exponent as a positive factor

4^-6

1/4⁶

Powers of 10

100

5.5 x 10²

550

200

7.8/10³

0.0078

300

When you multiply the decimal moves...

right

400

When you divide the decimal moves...

left

500

5914201/10⁷

0.5914201

Mean Median Mode Range

100

What is a mean?

An average

200

1, 5, 2, 6, 9, 6

What is the mode?

6

300

What is the median?

The middle number

400

76, 91, 34, 45, 82, 11

What is the range?

80

500

23, 67, 25, 12, 58, 54

What is the mean?

194

Percentage

100

What is the formula for Percentage?

IS/OF

200

What is 75% of 4?

3

300

What is 70% of 50?

35

400

Mr. Hamel has a total of 40 students 80% have As. How many students have As.

32

500

Ms. Dinh sold 84 honor books and 42 regular books. What percentage of books were regular?

50%