End of Month Quiz - Grade 8

What is the correct law for powers of powers?

(a^m)ⁿ =

• a^{m x n}

• a^m x aⁿ

• a^{m + n}

• a^men

5²=

• 25

• 5

• 1

• 0

Simplify: 2⁸ ÷ 2²

• 2¹⁰

• 2⁸

• 2⁶

• 1

• x

• x

How would you write 0.0005 in scientific notation?

• 50 x 10⁵

• 5 x 10^-4

• .5 x 10³

• 5 x 10³

How do you write 1001 in scientific notation?

• 1.0001 x 10⁴

• 1.001 x 10³

• 1.01 x 10⁵

• 10.1 x 10³

Express the following in scientific notation:.

0.000457

• 457 x 10⁶

• 4.57 x10⁴

• 457 x 10^-6

• 4.57 x 10^-4

How would you write 5.6 x 10^-3 in standard form?

• 0.0056

• 0.00056

• 5,600

• 0.00056

Convert to Scientific Notation:

145,000,000

How many significant figures:

153.0

• 4

• 3

• 2

• 1