8th Grade Exponents and Scientific Notation

Exponents

100

6³What number is the exponent?

3

200

What does 2³ mean?

2x2x2

300

What does 5³ equal?

125

400

What does4⁴  equal

256

500

What is 3² + 3² =

18

Square and Cube Roots

100

What is the square root of 9?

3

200

What is the square root of 81?

9

300

What is the cube root of 8?

2

400

Jan has a square garden with an area of 36 ft². How long is one side of her garden?

6 ft

500

Tammy baked a square pan of brownies. One side of pan measures 7 inches. What is the area of the brownie pan?

49 in²

Standard Form to Scientific Notation

100

5,000 = 

5 x 10³

200

3,579,000 =

3.579 x 10⁶

300

2,228,999 =

2.228999 x 10⁶

400

4,002,700,000 =

4.0027 x 10⁹

500

577.39 =

5.7739 x 10²

Scientific Notation to Standard Form

100

5.999 x 10^{4 =}

59,990

200

5.333x10⁷=

53,330,000

300

8.089 x 10⁷

80,890,000

400

2.25526 x 10 ⁷

22,55,600

500

4.011012 x 10¹⁰

40,110,120,000

Scientific Notation with Negatives

100

1.8 x 10^-4

.00018

200

1.44 x 10^-6

.00000144

300

.000345 into scientific notation

3.45 x 10^-4

400

.0005555 into scientific notation

5.555 x 10^-4

500

.0404 into scientific notation

4.04 x 10^-2