Simplifying algebraic expressions

Simplify

(45x⁶y⁹) ÷ (5x⁴y²)

• 9x²y⁷

• 40x²y⁷

• 9x²/y⁷

• 9x¹⁰y¹¹

Simplify:   $-3y^{-3}$  

•  $-\frac{3}{y^3}$  

•  $-3y^3$  

•  $\frac{3}{y^3}$  

•  $-\frac{y^3}{3}$  

simplify 1487¹¹ × 1487²

• 2187¹³

• 1480¹³

• 1087¹³

• 1487¹³

How do you write   $2^{3\ }\cdot\ 2\ \cdot\ 2\ \cdot\ 2\$  as a single exponent? 

•  $2^5$  

•  $2^3$  

•  $2^6$  

•  $2^{12}$  

When raising a power to a power, _________ the exponents.

if the question is 4⁰ what is the answer ?

• 3

• 40

• 04

• 1

Which number is not a multiple of 9?

• 18

• 72

• 13

• 36

Simplify  $3^{-3}\cdot5^8\cdot3^4\cdot5^2$  

•  $15^{11}$  

•  $8^{11}$  

•  $3^1\cdot5^{10}$  

•  $3^{-12}\cdot5^{16}$  

(3x)⁰

• (3x)¹

• 0¹

• 1

• 3x

Rewrite using the same base only once:
4⁵ ⋅ 4³

• 4²
• 4⁸
• 4^-8
• 4^-2