Power Rule Practice

Simplify (-4r⁵)(2r⁸)

• -8r¹³
• -2r¹³
• -8r⁴⁰
• -2y⁴⁰

Simplify the expression x⁵x⁷

• x³⁵
• x¹²
• x²
• x^-2

According to exponent rules, when we MULTIPLY powers with the SAME BASE we _______ the exponents.

• add
• subtract
• multiply
• divide

According to exponent rules, when we raise a power to a power we _______ the exponents.
Ex: (x²)²

• add
• subtract
• multiply
• divide

Simplify the expression.
(xy)⁷

• x⁷y⁷
• xy⁷
• xy¹⁴
• x⁷/y⁷

Simplify the expression.

(m⁸k³)(m⁶k²)

• m¹⁴k⁵

• m⁴⁸k⁶

• m⁸k³

Simplify the expression.
(4ab)²

• 4a²b²
• 8a²b²
• 16a²b²
• 4ab²

Simplify (x¹⁴)³

• x¹⁷
• x⁴²
• x¹¹
• 3x¹⁴

Simplify the following:

(2x⁴)(3x⁷)

• 6x¹¹

• 5x¹¹

• 6x²⁸

• 5x²⁸

How many terms are in 3x²-2x+1 ?

• 3

• 2

• 1

• 0