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Mathematics 7 Online
OpenStudy (anonymous):

I need help!!

OpenStudy (anonymous):

I need help withh this please

OpenStudy (anonymous):

Just this lesson

OpenStudy (anonymous):

where's the list of planet distances?

OpenStudy (anonymous):

it should be in there hold on...

OpenStudy (anonymous):

can you veiw the whole file?

OpenStudy (anonymous):

I see 2 pages

OpenStudy (anonymous):

okay it should be there?

OpenStudy (anonymous):

nope

OpenStudy (anonymous):

are you supposed to look it up online or something?

OpenStudy (anonymous):

hold on :)

OpenStudy (anonymous):

here they are 1. Venus: ___________________ 2. Earth: ___________________ 3. Mars: ___________________ 4. Jupiter: __________________ 5. Saturn: __________________ 6. Uranus: __________________ 7. Neptune: _________________ 8. Pluto: ____________________

OpenStudy (anonymous):

You're supposed to be converting distances to scientific notation. What are the distances you're supposed to be converting? Did you read the problem?

OpenStudy (anonymous):

im confused????

OpenStudy (anonymous):

about what?

OpenStudy (anonymous):

this whole thing :( all day can you try it?

OpenStudy (anonymous):

You're supposed to be converting numbers into scientific notation, but no where here do they give you the list of numbers you're supposed to be converting.

OpenStudy (anonymous):

I dont know let me look

OpenStudy (preetha):

Brandon, as Ktk said, you are missing a list of distances. These will be given to you. Then you take them, say 45000000000 and then you look at the example given and convert it to scientific notation. Scientific notation is when you write the number as a power of 10. So 3400 is 3.4 x 10^3. I think of it as, you have to move three places from the last 0 to get to the 3. So 10^3. So if you have 590000, you would write 5.9 and then x 10^ and figure out the power of 10. Here, you have to move 5 digits from the last 0, so you get 5.9x10^5. MAkes sense?

OpenStudy (anonymous):

So 36, 000, 000 = 3.6× 107 in scientific notation. Now, test your knowledge and try to convert these plant distances from decimal to scientific notation using the chart and the calculatron. Write your answer in the space provided

OpenStudy (anonymous):

thats what it says??

OpenStudy (anonymous):

Yes, I read the same thing you did. There is no place where they give you the list of numbers you are supposed to be converting.

OpenStudy (preetha):

I wonder if you are supposed to look it up. If you are in 7th grade, they would have given it to you.

OpenStudy (anonymous):

im gonna look again hold on

OpenStudy (anonymous):

Also, if he looks it up he'll almost certainly find the answer already in scientific notation.

OpenStudy (anonymous):

Preetha, thanks for the invite to OS....got in in the ap calculus list.

OpenStudy (anonymous):

Clearly there is something missing like an earlier problem that has these distances.

OpenStudy (anonymous):

this ? Mission To Mars Project Mercruy 35,983,610 Venus 67,232,360 Earth 92,957,100 Mars 141,635,300 Jupiter 483,632,000 Saturn 888,188,000 Uranus 1,783,950,000 Neptune 2,798,842,000 Pluto 3,674,491,000

OpenStudy (preetha):

Hi Pross. Great. Lets chat off line.

OpenStudy (preetha):

THere you go. Now try the first one.

OpenStudy (anonymous):

thats what i mean i cant!!! iv been stuck on this all day please can u do just this lesson for me

OpenStudy (preetha):

BRandon, this group gets really mad if you don't try on your own. So lets start with the first number.35,983,610 . First step is to write it as number with a decimal after 3. Write it.

OpenStudy (preetha):

You have about 7 people watching right now! (-:

OpenStudy (anonymous):

Okay, so 3.5 like that?

OpenStudy (preetha):

Right. Thanks for trying. Now look at your sheet and see how many places you have to move from the last digit to the decimal.

OpenStudy (preetha):

3.5983610 x 10^ ?

OpenStudy (anonymous):

?

OpenStudy (anonymous):

Follow the instructions for the Calculatron but using the number for Mercury instead of their example number

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