Test Review (SN, Power of 10, Exponents)

Level 1

100

Evaluate 5²

25

200

Evaluate 3^-2

1/9 or 1/3²

300

Simlpify b³ ÷ b⁷

b^-4

400

m⁵ · n⁶ ·m

m⁶n⁶

500

(2²)²

2⁴ = 16

Level 2

100

3yx^-3

3y / x³

200

(4a⁵)²

16a¹⁰

300

a²b⁷ / ab²

ab⁵

400

Write 34,000,000,000,000,000 in scientific notation

3.4 x 10¹⁶

500

Estimate using powers of 10, 6,700,000. Remember when we estimate we will round.

7 x 10⁶

Level 3

100

Write 1.9 x 10^-9 in standard form 

0.0000000019

200

Express -8.3522 x 10^-4 in standard form

-0.00083522

300

Simplify 4(6m⁷ n⁸)⁰

4

400

Is 16.287 x 10⁷ written in scientific notation? Justify your answer / explain how you know.

No, 16 > 10. It has to be a 1 digit decimal, it would need to be 1.6287 

500

Simplify (2x / y³) ³

8x³ / y⁹

Level 4

100

How much greater is 2 x 10⁸ than 4 x 10⁷

5

200

Estimate using powers of 10, 0.0000027392. Remember when we estimate we round. 

3 x 10⁶

300

Express 5.673 x 10⁸ in standard form

567,300,000

400

Write -0.000723 in scientific notation

-7.23 x 10^-6

500

Write 5.67E -6 in scientific notation. Remember, E is like on the calculator screen 

0.00000567

Level 5

100

Simplify, leave in scientific notation.

(6.3 x 10⁵) + (2.2 x 10⁵)

8.5 x 10⁵

200

Simplify, leave in scientific notation.

(8.5 x 10³) - (7 x 10³)

1.5 x 10²

300

(4.3 x 10⁴) · (5 x 10²)

2.15 x 10⁷

400

Simplify to scientific notation

(2.345 x 10^-5) · 654

(2.345 x 10^-5) · (6.54 x 10²)

15.3363 x 10^-3

1.53363 x 10^-2

500

Simplify, leave in scientific notation.

(8.4 x 10⁸) ÷ (-4 x 10^-7)

-2.1 x 10¹⁵