Exponents

Simplify the following:

y⁴ ⋅ y¹²

• y¹⁶

• y³

• 16y

• y⁴⁸

Simplify the following:

x ∙ x ∙ x ∙ x ∙ x ∙ x

• x⁶

• 6x

• x³

• 6x⁶

Simplify the expression: r⁶ ⋅ r² ⋅ r³

• r⁶⁺²⁺³

• r¹¹

• 11r

x^{20 .} x¹⁰

• x³⁰

• x²⁰⁰

• 2x³⁰

• x¹⁰

(2n⁴ )( 5n⁴)

• 7n⁴
• 10n¹⁶
• 10n⁸
• none of the above

(6k² )( k)

• 6
• 6k
• 6k²
• 6k³

(5b²  )(8b)

• 45b³
• 40b³
• 13b²
• 5b³

6x * 6x³

• 12x³
• 36x⁴
• 42x⁴
• x²

• 30r³

• 30r²

• 11r³

• 11r²