Question 1

Simplify the expression $x^{4} x^{8} $

Accepted Answer

$x^{12}$

Answer

$x^{-4}$

Answer

$x^{32}$

Answer

$x^{2}$

Question 2

Simplify the expression $x^{9} x^{-2} $

Accepted Answer

$x^{7}$

Answer

$x^{-18}$

Answer

$x^{11}$

Answer

$\frac{1}{x^{18}}$

Question 3

Simplify the expression $x^{4} y \cdot x^{8}y^{3}z$

Accepted Answer

$x^{12}y^{4}z$

Answer

$x^{32}y^{3}z$

Answer

$x^{5}y^{11}z$

Answer

$x^{32}y^{4}z$

Question 4

Simplify the exponential epression $8^{4}	imes 8^{8} 	imes 8^{-2}$

Accepted Answer

$8^{10}$

Answer

$8^{-64}$

Answer

$8^{5}$

Answer

$8^{14}$

Question 5

Simplify the expression $(x^{4}y^{3})^{5} $

Accepted Answer

$x^{20}y^{15} $

Answer

$5x^{20}y^{15} $

Answer

$x^{9}y^{8} $

Question 6

Simplify the expression $(3^{2}x^{4}y^{3})^{5} $

Accepted Answer

$3^{10}x^{20}y^{15} $

Answer

$15x^{9}y^{8} $

Answer

$15^{10}x^{9}y^{8} $

Answer

$15^{2}x^{20}y^{15} $

Question 7

Simplify the expression $(4a^{3}b^{5})^{2} $

Accepted Answer

$16a^{6}b^{10} $

Answer

$4a^{5}b^{7} $

Answer

$8a^{6}b^{10} $

Answer

$16a^{5}b^{7} $

Question 8

Simplify the expression $y^{0} $

Accepted Answer

1

Answer

$y$

Answer

$\frac{1}{y} $

Answer

$y^1$

Question 9

Simplify the expression $(mn^{3})^{0} $

Accepted Answer

1

Answer

$\frac{1}{mn^3} $

Answer

$mn$

Answer

$mn^3$

Question 10

Simplify the expression $(5x^{4}y^{-2})^{0} $

Accepted Answer

1

Answer

$5xy$

Answer

$x^{4}y^{-2} $

Answer

$xy$

Question 11

What do you get if you simplify $\frac{1}{2^{-3}}$

Accepted Answer

8

Answer

$\frac{1}{8}$

Answer

-6

Answer

-8

Question 12

What do you get if you simplify $r^{-3}x$

Accepted Answer

$\frac{x}{r^3}$

Answer

$\frac{x}{r^{-3}}$

Answer

$\frac{r^3}{x}$

Answer

$\frac{1}{r^3x}$

Question 13

What do you get if you simplify $\frac{j^{-2}m}{k^{5}}$

Accepted Answer

$\frac{m}{j^{2}k^{5}}$

Answer

$\frac{k^{5}}{j^{2}m}$

Answer

$\frac{m}{j^{-2}k^{5}}$

Answer

$\frac{1}{j^{2}k^{5}m}$

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