Math 8 review

Exponent

100

Rewrite using a single exponent

9⁴ x 9²

9⁶

200

Rewrite using a single exponent

(4⁷)³

4²¹

300

Rewrite using a single exponent

8³/8

8²

400

Rewrite using a single exponent

(7⁷)²

7¹⁴

500

Rewrite using a single exponent

7⁴ x 7⁴

7⁸

scientific notation

100

Write 541 in scientific notation.

5.41x10²

200

(2.3x10⁹)(3x10⁶)

6.9x10¹⁵

300

(7.4x10⁴)+(2.3x10⁴)

Write your answer in scientific notation.

9.7x10⁴

400

(7x10^-2)(8.2x10⁶)

5.74x10⁵

500

(8.5x10⁸)-(5.3x10⁸)

Write your answer in scientific notation.

3.2x10⁸

Perfect Square

100

What is the square root of 100?

10

200

What is the square root of 9?

3

300

What is the square root of 49?

7

400

What is the square root of 25?

5

500

What is the square root of 225?

15

One step equation

100

-5w=-15

w=3

200

24y=6

y=1/4

300

20m=4

m=1/5

400

-2y=-32

y=16

500

-26=13x

x=-2

Perfect Cubes

100

Find the value of ³/27?

3

200

Find the value of ³/64?

4

300

Find the value of ³/1000?

10

400

What is the value of ³/729?

9

500

What is the value of ³/125?

5