Laws of exponents review

Laws of exponents review

By Kate Abernathie

Multiple Choice

Simplify

2x³ ∗ 4x⁵

• 8x⁸

• 6x⁸

• 6x¹⁵

• 8x¹⁵

Multiple Choice

Simplify

x ∗ x

• x²

• 2x

• 2x²

• x

Multiple Choice

Simplify

-4m² ∗ m²

• -4m⁴

• -3m⁴

• -3m²

Multiple Choice

Simplify

(9h)(-4h)

• -36h²

• -36h

• 5h

• 5h²

Multiple Choice

Simplify:

• 4p³

• 3p³

• 1/3p⁴

• 3p⁴

Multiple Choice

Simplify:

• $$3k^9$$

• $$\frac{k}{3}$$

• $$\frac{k}{6}$$

• $$6k$$

Multiple Choice

Simplify the exponential expression:

• 10x^-2
• 2x²
• 2x¹²
• 10x¹²

Multiple Choice

$$\frac{18x^{10}}{2x^3}$$  Hint: divide coefficients

• $$9x^7$$  

• $$9x^{13}$$  

• $$18x^7$$  

• $$2x^{13}$$  

Multiple Choice

(r⁴)⁶

• 10r
• r¹⁰
• 24r
• r²⁴

Multiple Choice

Simplify:

(5ab²)²

• 25a²b⁴

• 10a²b⁴

• 5a²b⁴

• 25ab²

Multiple Choice

Simplify: (3x²)³

• 27x⁶
• 9x⁶
• 3x⁶
• 9x⁵

Multiple Choice

Simplify (-3x⁴y⁵)²

• 9x⁸y¹⁰
• 6x⁸y¹⁰
• 3x⁸y¹⁰
• -9x⁸y¹⁰

Multiple Choice

Write this expression using positive exponent:

x^-7

• -7

• -7x

• 1/x⁷

• -1/x⁷