body{margin:0;} noscript{z-index: 10000; position: fixed; display: block; height: 100%; width: 100%; background: #fff;} noscript .fa{font-size: 40px; display:block; color: #daa520;} noscript div{margin-top: 6%; padding-left: 20px; padding-right: 20px; text-align: center;} ! You must have JavaScript enabled to use this site.

McGraw Hill Glencoe Algebra 2, 2012

MH

McGraw Hill Glencoe Algebra 2, 2012 View details

2. Properties of Real Numbers

Continue to next subchapter

Exercise 87 Page 17

Substitute $3$ for $a,$ $\frac{2}{3}$ for $b,$ and $- 1.7$ for $c .$

$\approx - 1.176$

Practice makes perfect

To evaluate the given expression for

a = 3,

b = \frac{2}{3},

and

c = - 1.7,

we should substitute these values and simplify as much as possible. Be aware we must follow the order of operations.

\frac{a \cdot b}{c}

SubstituteValues

Substitute values

\frac{3 \cdot \frac{2}{3}}{- 1 . 7}

MoveLeftFacToNum

$a \cdot \frac{b}{c} = \frac{a \cdot b}{c}$

\frac{\frac{6}{3}}{- 1 . 7}

Calculate quotient

\frac{2}{- 1 . 7}

MoveNegDenomToFrac

Put minus sign in front of fraction

- \frac{2}{1 . 7}

Use a calculator

\approx - 1.176

Subchapter links

Check Your Understanding p.14

Practice and Problem Solving p.14-16

H.O.T. Problems p.16

Standardized Test Practice p.17

Spiral Review p.17

Skills Review p.17