Mathematics Quiz

Write 0.000045 in standard form:

• 4.5 × 10⁻⁶

• 4.5 × 10⁻⁵

• 4.5 × 10⁻⁴

• 4.5 × 10⁻³

Which of the following is 6.7 × 10⁴ in standard notation?

• 670

• 67,000

• 6,700

• 670,000

Simplify: (3.2 × 10³) + (4.8 × 10³):

• 8.0 × 10³

• 7.0 × 10³

• 4.0 × 10³

• 9.2 × 10³

Express 45,000,000 in standard form:

• 4.5 × 10⁷

• 45 × 10⁶

• 4.5 × 10⁶

• 4.5 × 10⁸

Express 3.67 × 10⁻² in decimal form:

• 0.0367

• 0.367

• 0.00367

• 3.67

Simplify: 2⁴ × 2³:

• 2¹²

• 2⁷

• 16

• 24

Evaluate 5⁻²:

• 25

• -25

• 0.2

• 0.04

Which of these is equivalent to 3⁵?

• 15

• 243

• 125

• 729

Simplify (4³)²:

• 4⁶

• 8³

• 4⁵

• 4⁹

Simplify: 10⁶ ÷ 10³:

• 10⁹

• 10³

• 10²

• 10⁻³