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.

Glencoe Math: Course 3, Volume 2

GM

Glencoe Math: Course 3, Volume 2 View details

Are You Ready?

Finish the assignment

Continue to next subchapter

Exercise 9 Page 586

Substitute 3.14 for π in the expression.

283.4

Practice makes perfect

To evaluate the given expression for π=3.14, we should substitute 3.14 for π in the given expression and then simplify.

π * (19 ÷ 2)^2

π= 3.14

3.14* (19 ÷ 2)^2

a÷ b=a/b

3.14* (19/2)^2

Calculate quotient

3.14 * (9.5)^2

Calculate power

3.14* (90.25)

Multiply

283.385

Round to 1 decimal place(s)

283.4

Subchapter links

Quick Check p.586