8th Grade

Exponent Rules

100

3²*3⁴

3⁶

200

5^7/5³

5⁴

300

(2³)⁴

2¹²

400

(3x)²

3²x² or 9x²

500

(4⁶ x 4²) / 4⁵

4³

Zero & Negative Exponents

100

8⁰

1

200

2^-3

1/2³

300

1/5²

5^-2

400

4^-2

1/16 or 1/4²

500

8³ x 8^-3

1

Scientific Notation

100

Write 5,000 in scientific notation

5x10⁴

200

Write 72,000 in scientific notation

7.2x10⁴

300

Write .004 in scientific notation

4x10^-3

400

Write .000083 in scientific notation

8.3x10^-5

500

Write .000000607

6.07x10^-7

Back to Standard

100

4x10²

400

200

6.2x10⁴

62,000

300

3.5x10^-2

.035

400

7.08x10⁵

708,000

500

9.15x10^-6

.00000915

Mixed Review

100

Is the √49 rational or irrational?

Rational

200

Is √18 rational or irrational?

Irrational

300

Simplify 6³ x 6^-1

6²

400

Which is larger? 4.5 x10⁵ or 6.2x10⁴

4.5x10⁵

500

A student writes 45x10³ as scientific notation. Explain his mistake.

The first number has to be between 1&10