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Mathematics 16 Online
OpenStudy (anonymous):

Which decimals are less than –0.8? Choose all answers that are correct. A. –7.13 B. –0.86 C. –0.79 D. 0.846

OpenStudy (a1234):

What do you think?

OpenStudy (anonymous):

b and c

OpenStudy (a1234):

B is okay... But -0.79 is 0.01 greater than -0.80 :)

OpenStudy (anonymous):

but its not 80 its 1.8

OpenStudy (a1234):

What 1.8?

OpenStudy (anonymous):

look at the top and the directions it says: Which decimals are less than –0.8? not 0.80

OpenStudy (a1234):

Yes, -0.8 is the same as -0.80

OpenStudy (anonymous):

oh right that os true

OpenStudy (a1234):

-0.79 is greater than -0.8

OpenStudy (anonymous):

so 0.846

OpenStudy (anonymous):

Two answers here.

OpenStudy (a1234):

That's positive. You're asked to find a number less than -0.8.

OpenStudy (a1234):

Keep in mind: -0.8 is negative

OpenStudy (anonymous):

Look at it like a time line. Zero. Everything to the left of zero is more negative.

OpenStudy (anonymous):

ok then it has to be -7.13??

OpenStudy (anonymous):

:) and what else?

OpenStudy (a1234):

I guess so :)

OpenStudy (anonymous):

-0.79

OpenStudy (anonymous):

Not answering that... tell me why you think it is that.

OpenStudy (anonymous):

bc 7 is even lower than than 0.79

OpenStudy (anonymous):

Where does -.79 stand? to the left or right of -.8?

OpenStudy (anonymous):

well left acording to my number line

OpenStudy (a1234):

The closer you get to zero from a negative number, the greater it is

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

-.81, -.80, -.79

OpenStudy (anonymous):

so yes it is less

OpenStudy (a1234):

Is -0.8 or -0.79 closer to 0?

OpenStudy (anonymous):

-0.8

OpenStudy (anonymous):

smb227, look at my number line above... to the left or right?

OpenStudy (anonymous):

mybe im wrong 8 is

OpenStudy (anonymous):

Let's try again...is it to the left or tot he right...-.81, -.80, -.79

OpenStudy (anonymous):

left

OpenStudy (anonymous):

since its negitive

OpenStudy (anonymous):

No, -.79 is to the right of -.8

OpenStudy (anonymous):

oh i know what you mean ok

OpenStudy (anonymous):

Good. Now, anything to the left of -.8 is less than -.8

OpenStudy (anonymous):

ok

OpenStudy (a1234):

Because it's to the right of -0.8, it's the greater number

OpenStudy (anonymous):

Now tell me, what are the answers?

OpenStudy (anonymous):

A. –7.13 B. –0.86 C. –0.79 D. 0.846

OpenStudy (anonymous):

Nope.

OpenStudy (a1234):

No, what are your answers?

OpenStudy (anonymous):

these are the questions

OpenStudy (anonymous):

i have a and b

OpenStudy (a1234):

Yes!

OpenStudy (anonymous):

Oh. Then why do you think they are a and b?

OpenStudy (anonymous):

well thats what i came up with

OpenStudy (anonymous):

Can you tell me why?

OpenStudy (anonymous):

but i think d is less

OpenStudy (anonymous):

but it cant bc its positive

OpenStudy (anonymous):

it is positive.

OpenStudy (anonymous):

d is greater than -.8, not less

OpenStudy (anonymous):

and my only question left is -0.79

OpenStudy (anonymous):

What do you mean?

OpenStudy (anonymous):

ok i have a and b. d is out of the question and the only one left is -0.79

OpenStudy (anonymous):

Why is d out of the question? You told me it is less than -0.8

OpenStudy (anonymous):

buts its not bc its positive

OpenStudy (anonymous):

Okay. Good. It is not less than -.8 because it lies on the right of -.80

OpenStudy (anonymous):

i think b and c are my answers

OpenStudy (anonymous):

a1234, want to help out?

OpenStudy (anonymous):

Why is c less?

OpenStudy (anonymous):

this confuses me

OpenStudy (anonymous):

I know. That's why I wanted to make sure you understood instead of just an answer.

OpenStudy (anonymous):

oh could it be a and c

OpenStudy (anonymous):

Why would it be a and c?

OpenStudy (anonymous):

c is less then -0.80

OpenStudy (anonymous):

Remember the number line... left or right of -.80

OpenStudy (a1234):

Look, a negative number that is closer to 0 is greater than a number that is farther away from 0. Is -0.80 closer to or farther away from 0 than -0.79? And why?

OpenStudy (anonymous):

is c correct

OpenStudy (anonymous):

Let me type a nubmer line for you.

OpenStudy (anonymous):

its gotta be correct

OpenStudy (anonymous):

ok

OpenStudy (a1234):

|dw:1446525940021:dw|

OpenStudy (anonymous):

-7.13,.....,-0.86,...-0.80,....-0.79,....0......0.846

OpenStudy (anonymous):

tae

OpenStudy (anonymous):

so a and b

OpenStudy (anonymous):

Why? Why do you think it is a and b?

OpenStudy (a1234):

And why :)?

OpenStudy (anonymous):

cause its to the left of 0,80

OpenStudy (anonymous):

Yes. Now, summarize to us what you just did to arrive to that answer.

OpenStudy (anonymous):

well with your help i learned that you told me that to think of a number line and think less then -0.80 and i thought to myself ohh i get it and now im here

OpenStudy (a1234):

And what exactly is less than -0.80?

OpenStudy (anonymous):

-0.79 -0.86

OpenStudy (anonymous):

Haha... can you do these problems on your own now? Tell me... what is less than -0.51? a. -0.8 b.-0.3 c. 0 d. -0.50

OpenStudy (anonymous):

a

OpenStudy (anonymous):

You didn't answer a1234 correctly.

OpenStudy (anonymous):

huh

OpenStudy (anonymous):

Well, a is correct for my problem. a1234 asked what exactly is less than -0.80

OpenStudy (a1234):

What do you mean by -0.79 - 0.86?

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