Hi

I don't understand how to evaluate this:

2 x 10 - 3 x 2 + 12 ÷ 2

Printable View

- Apr 7th 2005, 03:55 PMValeri POrder of Operations
Hi

I don't understand how to evaluate this:

2 x 10 - 3 x 2 + 12 ÷ 2 - Apr 8th 2005, 02:23 AMpaultwangQuote:

Originally Posted by**Valeri P**

(1) Parentheses

(2) Multiply and divide

(3) Add and subtract

There will be more between (1) and (2).

When in doubt, put parentheses during work.

= (2 x 10) - (3 x 2) + (12 ÷ 2)

= 20 - 6 + 6

= 20

By the way,*****is multiply,**/**is divide. - Apr 11th 2005, 03:18 PMEvan
An easy way to remember the Order of Operations is:

PEMDAS = Please Excuse My Dear Aunt Sally or Please End My Day At School

P -- Parentheses

E -- Exponents

M -- Multiply &

D -- Divide

A -- Add &

S -- Subtract