Multiplication/ Zero & Negative Exponent Rule

True or false:  $2^4$  means 2x2x2x2.

• true

• false

n²⋅n⁴

• n²
• n⁸
• n⁶
• n²²

According to exponent rules, when we multiply powers we _______ the exponents.

• add
• subtract
• multiply
• divide

(x⁵)(x⁸)

• x¹³
• x^-3
• x⁴⁰
• x⁵⁸

Which number is the EXPONENT?
4^{2 =} 16

• 4
• 2
• 16

Simplify the expression.
x⁴ (x¹²)

• x³
• x⁴⁸
• x¹⁶
• x⁸

9n⁴ . 6n⁷

• 15n¹¹
• 54n²⁸
• 3n³
• 54n¹¹

Simplify (-3m)(-5m²)

• 8m⁶

• 15m³

• 15m²

• -8m³

What is equivalent to  $\left(-4a^7b^6\right)\left(3a^2b^3c^2\right)$  ?

•  $-a^{14}b^{18}c^2$  

•  $-7a^9b^9c^2$  

•  $-12a^9b^9c^2$  

•  $12a^9b^9c^2$  

Which of the following is equivalent to  $\left(10^9\right)\left(10^2\right)\left(10\right)$  

•  $10^{11}$  

•  $10^{18}$  

•  $100^{12}$  

•  $10^{12}$