REAL NUMBERS

Write 0.00045 in standard form.

• 4.5 × 10⁴

• 4.5 × 10⁻⁴

• 45 × 10⁻³

• 0.45 × 10⁻⁴

Write 6,700,000 in standard form.

• 6.7 × 10⁶

• 67 × 10⁵

• 670 × 10⁴

• 0.67 × 10⁷

What is 8.23 × 10³ in standard form?

• 823

• 8230

• 0.00823

• 82300

Convert 5.6 × 10⁻² to standard form.

• 0.056

• 0.00056

• 5.6

• 0.0056

The population is 2.43 × 10⁸. What is its value in standard form?

• 243,000

• 2,430,000

• 243,000,000

• 24,300,000

3⁴ × 3³ equals:

• 3⁷

• 3¹²

• 3¹

• 3⁵

5⁶ ÷ 5² equals:

• 5⁸

• 5³

• 5⁴

• 5²

What is the value of any number raised to the power of 0 (for example, 7⁰)?

• 0

• 1

• The number itself

• Undefined

Which is equivalent to 2³ × 2²?

• 2⁶

• 4⁵

• 2⁵

• 8

Simplify (3² × 5²):

• 15²

• 8²

• 9 × 25

• 3 × 5