Chapter 2

Write the expression in exponential form. $$ 3 \cdot(t \cdot t \cdot t \cdot t) $$

Find the sum. Use a calculator if you wish. $$-2.95+5.76+(-88.6)$$

Simplify the expression. $$\frac{3 y}{4} \div \frac{1}{2}$$

Simplify the variable expression. $$-\left(y^{4}\right)(y)$$

Evaluate the expression. $$ 8-11-(-6) $$

Find the opposite of the number. $$-\frac{5}{6}$$

DISTRIBUTIVE PROPERTY Use the distributive property to rewrite the expression without parentheses. $$ (4+3 y) 5 $$

Evaluate the expression. $$ |-82| $$

Find the sum. Use a calculator if you wish. $$10.97+(-51.14)+(-40.97)$$

Simplify the expression. $$-\frac{2 b}{7} \div \frac{7}{9}$$

Simplify the variable expression. $$\left(-b^{2}\right)\left(-b^{3}\right)\left(-b^{4}\right)$$

Evaluate the expression. $$ 4+(-3)-(-5) $$

Find the opposite of the number. $$3 \frac{4}{5}$$

DISTRIBUTIVE PROPERTY Use the distributive property to rewrite the expression without parentheses. $$ (2 x-4)(-3) $$

Evaluate the expression. $$ -|43.7| $$

Find the sum. Use a calculator if you wish. $$20.37+190.8+(-85.13)$$

Write a question that can be used to solve the equation. Then use mental math to solve the equation. \(x+17=25\)

Simplify the expression. $$33 x \div \frac{3}{11}$$

Simplify the variable expression. $$-\frac{1}{2}(-2 x)$$

Evaluate the expression. $$ 3-(-8)+(-9) $$

Find the opposite of the number. $$-2.01$$

DISTRIBUTIVE PROPERTY Use the distributive property to rewrite the expression without parentheses. $$ -9(a+6) $$

Evaluate the expression. $$ -|-4.5| $$

Find the sum. Use a calculator if you wish. $$300 .3+(-22.24)+78.713$$

Write a question that can be used to solve the equation. Then use mental math to solve the equation. \(a-5=19\)

Simplify the expression. $$49 x \div 3 \frac{1}{2}$$

Simplify the variable expression. $$\frac{2}{3}\left(-\frac{3}{2} x\right)$$

Evaluate the expression. $$ 14+(-7)-12 $$

Find the opposite of the number. $$-\frac{1}{9}$$

DISTRIBUTIVE PROPERTY Use the distributive property to rewrite the expression without parentheses. $$ 4 x(x+8) $$

Evaluate the expression. $$ |-29|+7 $$

Find the sum. Use a calculator if you wish. $$-1.567+(-2.645)+5308.34$$

Write a question that can be used to solve the equation. Then use mental math to solve the equation. \(2 b-1=10\)

Simplify the expression. $$8 x^{2} \div\left(-\frac{4}{5}\right)$$

Simplify the variable expression. $$-\frac{3}{7}\left(-w^{2}\right)(7 w)$$

Evaluate the expression. $$ -7+42-63 $$

Evaluate the expression. $$|7|$$

DISTRIBUTIVE PROPERTY Use the distributive property to rewrite the expression without parentheses. $$ -2 t(12-t) $$

Evaluate the expression. $$ -|13-12.1| $$

Find the sum. Use a calculator if you wish. $$-7344.28+2997.65+(-255.11)$$

Write a question that can be used to solve the equation. Then use mental math to solve the equation. \(11 t=110\)

Evaluate the expression. \(-8 x\) when \(x=6\)

Simplify the expression. $$68 x \div\left(-\frac{17}{9}\right)$$

Evaluate the expression. $$ -8-(-12)+3 $$

Evaluate the expression. $$|-4|$$

DISTRIBUTIVE PROPERTY Use the distributive property to rewrite the expression without parentheses. $$ (3 y-2) 5 y $$

Evaluate the expression. $$ 14+|-11|-10 $$

Evaluate the expression for the given value of x. $$5+x+(-8) ; x=2$$

Write a question that can be used to solve the equation. Then use mental math to solve the equation. \(\frac{y}{15}=8\)

Evaluate the expression. $$y^{3}-4 \text { when } y=-2$$