Rose Harrison and Clara Huizink Solutions for Exercise 9: Practice 2

Substitute the values of  $a=-5$ to find the value of given expression.

$\left|a^4\right|$

Substitute the values for $a=1$ and $b=-1$ to find the value of given expression.

$a+\left|a\right|+b+\left|b\right|$

Substitute the values for $a=1$ and $b=-1$ to find the value of given expression.

$-b-\left|b\right|-a-\left|a\right|$

Substitute the values for $a=1$ and $b=-1$ to find the value of given expression.

$\frac{a+\left|b\right|}{b-\left|a\right|}$

Substitute the values for $a=1$ and $b=-1$ to find the value of given expression.

$\left|\frac{a+\left|b\right|}{b-\left|a\right|}\right|$

Substitute the values for $a=1$ and $b=-1$ to find the value of following expression.

$\frac{a+\left|b\right|}{a-\left|b\right|}$

Substitute the values for $a=1$ and $b=-1$ to find the value of given expression.

$\left|a^3-\right|b^{11}\Vert$

Determine values of $b$ for which $|8-b|-|b-3|$ is a positive number.