91Ó°ÊÓ

Q14.

Page 460

Simplify each expression.

${\left(\mathbf{6}{x}^3{y}^2\right)}^2$

Q14.

Page 399

Evaluate each expression.

${\left(\frac{1}{2}\right)}^{\mathbf{4}}$

Q14.

Page 463

Find each sum or difference.

$\left(x+\mathbf{5}\right)+\left(x^2−\mathbf{3}x+\mathbf{7}\right)$

Q15.

Page 399

The probability of guessing correctly on 5 true-false questions is${\left(\frac{1}{2}\right)}^{\mathbf{5}}$. Express this probability as a fraction without exponents.

Q15.

Page 430

Express each number in standard form.

$\mathbf{4}\mathbf{.1}\mathbf{×}{\mathbf{10}}^{\mathbf{−}\mathbf{3}}$

Q15.

Page 460

Simplify each expression.

${\left[{\left(\mathbf{2}{r}^{3}t\right)}^3\right]}^2$

Q15.

Page 404

Simplify the expression

${\left(−3p^5{t}^6\right)}^4$

Q15.

Page 463

Find each sum or difference.

$\left(\mathbf{7}m−\mathbf{8}{n}^2+\mathbf{3}n\right)−\left(−\mathbf{2}{n}^2+\mathbf{4}m−\mathbf{3}n\right)$

Q.16

Page 399

Find the area or volume of each.

Q16.

Page 460

Simplify each expression.

$\left(−\mathbf{2}{u}^3\right)\left(\mathbf{5}u\right)$