Question

What would be the second step in simplifying the expression 4^2 ÷ (2 • 9) + 5?
a) multiply
b) divide
c) add
d) exponent

Answer 1

Hi there. Shall we work together on this?

Answer 2

Sure.

Answer 3

Awesome. Are you aware of the "PEMDAS" rule? (Or BODMAS if you live outside of the US)?

Answer 4

Yeah, I know about it.

Answer 5

Awesome. So what is the first thing PEMDAS says that we have to do?

Answer 6

its multiplication, thats what i think

Answer 7

no wait .. its division

Answer 8

^ It's not; that's why I'm trying to work with OneKoi to come to the solution together. ;)

Answer 9

Lol, it's neither of those. We're almost done, I just need Koi to answer two more questions, and we'll be all set.

Answer 10

division it is .

Answer 11

Just for the heck of it, you can play along if you want and I'll explain it to ya.
What would be the first step in PEMDAS?

Answer 12

@uber1337h4xx0r will you help me with my question later on .... after this one ?

http://openstudy.com/study#/updates/5075219ae4b05254de0129e3

Answer 13

u seem know alot ;)

Answer 14

I saw that earlier and wish I could have helped, but I honestly don't know much about percent change. :/

Answer 15

k .. thnx i understand .. same here XD

Answer 16

But would you like to get this problem solved out? I promise it's quick and easy. We'll be done in like two or three more posts.

Answer 17

i know nothing about it .. it just pop up in my assignment

Answer 18

You mean you don't know about PEMDAS or the other problem you mentioned?

Answer 19

im talking about my question dude.

Answer 20

O ok.

Answer 21

-.-

Answer 22

@OneKoi : Just a recap:
Tell me what the first step in PEMDAS is for (hint: As in what does the P stand for?)

Answer 23

Sorry for the late reply. In PEDMAS, you do things in the parentheses first.

Answer 24

No prob. That's absolutely correct.

So our 4^2 ÷ (2 • 9) + 5

turns into:

4^2 ÷ (18) + 5

The parentheses can be dropped since we "did all the work inside them". So we have:

4^2 ÷ 18 + 5

And all parentheses are done. So we go to E in PEMDAS. Do we have any exponents to work with?

Answer 25

The exponent is 4^2.

Answer 26

Bingo! That's your second step (and your answer ^_^).

Answer 27

Ah. Thanks for your help!

Answer 28

No problem buddy! Thanks for the points. And just to point out to you, you solved the question on your own; all I did was point out PEMDAS. ;)

Answer 29

Ah. Thanks for your help!

Answer 30

Not a problem at all; thanks for working it out with me; I appreciate it whenever folks actually try like you instead of being like "I don't care, tell me what the answer is". Heh.