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Mathematics 24 Online
OpenStudy (anonymous):

What is 7.8 × 10^5 m/h in kilometers per day? A. 3.24 × 10^10 km/day B. 3.24 × 10^8 km/day C. 1.872 × 10^6 km/day D. 1.872 × 10^4 km/day

OpenStudy (anonymous):

@jim_thompson5910 I think its C can you make sure?

OpenStudy (jennyrlz):

Hello ^.^

OpenStudy (anonymous):

Hi

OpenStudy (jennyrlz):

This is conversion correct :)?

OpenStudy (anonymous):

yea but i need help

OpenStudy (jennyrlz):

one sec, let me try and solve it on my end first xD

OpenStudy (anonymous):

Okay thanks :D

OpenStudy (jennyrlz):

Just wondering is that supposed ti be 10^5?

OpenStudy (anonymous):

No there is not 10^5 on my part

OpenStudy (jennyrlz):

ok just making sure xD

OpenStudy (anonymous):

lol okay :3

jimthompson5910 (jim_thompson5910):

so the intial problem isn't \[\Large 7.8 \times 10^5\] ??

OpenStudy (anonymous):

Yes it is sorry i thought you ment one of the awnsers

OpenStudy (jennyrlz):

okkkkkk thanks xD i was gonna say it isnt making sense hahaha

OpenStudy (jennyrlz):

ok now let me give it a go :)

OpenStudy (jennyrlz):

you know what i will work it out on here, tell me if you have any questions

OpenStudy (anonymous):

okay

OpenStudy (jennyrlz):

so we need to keep in mind these conversions: hours in a day meters in a kilometer

OpenStudy (anonymous):

24 1000 i think

OpenStudy (jennyrlz):

yup if you ever get confused just remebered King, henry, died, by , drinking, chocalate, milk

OpenStudy (anonymous):

lol thanks X3

OpenStudy (jennyrlz):

(7.8x10^5m)/1h) x (24hr)/1D) x (1km/1000m) got it :D?

OpenStudy (jennyrlz):

now to simplify things lets put it in scientific notation :)

OpenStudy (anonymous):

yea

OpenStudy (jennyrlz):

(7.8x10^5m)/1hr) x (2.4x10^1hr)/1D) x (1km/(1x10^3m)

OpenStudy (anonymous):

1.872?

OpenStudy (jennyrlz):

yea :D

OpenStudy (anonymous):

so now its C or D

OpenStudy (jennyrlz):

yup :)

OpenStudy (jennyrlz):

wait>?

OpenStudy (anonymous):

oops wrong thing 1.872 × 10^4 km/day

OpenStudy (jennyrlz):

yup :D

OpenStudy (anonymous):

thanks :D

OpenStudy (jennyrlz):

yay congratulations!! -claps-

OpenStudy (anonymous):

X3

OpenStudy (jennyrlz):

well time for me to take and english final, wish me luck!

OpenStudy (anonymous):

you to!

OpenStudy (jennyrlz):

you have to take an english final? o3o

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