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Mathematics 19 Online
OpenStudy (anonymous):

Solve the ff scientific notation and answer in the proper number of significant figure: (5.2x10^12) / (1.3x10^-5)

OpenStudy (lgbasallote):

this time divide

Parth (parthkohli):

Yep! What is 5.2/1.3??

OpenStudy (lgbasallote):

what's 5.2/1.3?

Parth (parthkohli):

Remember that 5.2/1.3 is 52/13

Parth (parthkohli):

and then find 10^12/10^-5

OpenStudy (lgbasallote):

(5.2/1.3) x (10^12 / 10^-5) <--remember this

Parth (parthkohli):

And then just write the multiplication of 5.2/1.3 and 10^12/10^-5

OpenStudy (lgbasallote):

@alynamarie wanna reply any time? lol

Parth (parthkohli):

Also remember that \(10^{12} \div 10^{-5}= 10^{12 - (-5)} \) :)

OpenStudy (anonymous):

4

OpenStudy (lgbasallote):

good

Parth (parthkohli):

Yes!

OpenStudy (lgbasallote):

sp what's 10^12 / 1)^-5?

Parth (parthkohli):

sp?

OpenStudy (lgbasallote):

remember 10^x / 10^y = 10^(x-y)

OpenStudy (lgbasallote):

therefore 10612 / 10^-5 = 10^(12 - (-5))

OpenStudy (anonymous):

10^17

Parth (parthkohli):

@alynamarie Need any help? :)

OpenStudy (lgbasallote):

that's 10^12 not 10612

Parth (parthkohli):

:D CORRRECT :)

OpenStudy (anonymous):

@lgbasallote is the correct one

OpenStudy (lgbasallote):

now combine :)

Parth (parthkohli):

now just write the multiplication of both :D

OpenStudy (lgbasallote):

@Master.RohanChakraborty you're right too lol

Parth (parthkohli):

@Master.RohanChakraborty Can you explain what is wrong with my explanation so I could rectify?

OpenStudy (lgbasallote):

@alynamarie what did you get?

OpenStudy (anonymous):

is it 4.0x10^17

Parth (parthkohli):

Yes

OpenStudy (lgbasallote):

right

Parth (parthkohli):

\(\Huge\text{CORRECT-O!}\)

OpenStudy (lgbasallote):

see how easy it is ^_^

Parth (parthkohli):

*DANCES*

Parth (parthkohli):

@alynamarie Keep it up! :)

OpenStudy (anonymous):

or should it be 4x10^17 instead of 4.0x10^17 ?

Parth (parthkohli):

Both apply :)

Parth (parthkohli):

4.0 = 4 :D

OpenStudy (lgbasallote):

i prefer the one with decimal...it's more proper :)

Parth (parthkohli):

Both work great! ^_^

OpenStudy (anonymous):

ok

OpenStudy (lgbasallote):

but the one in decimal is the more customary ^_^

Parth (parthkohli):

Nah not really

OpenStudy (lgbasallote):

you'll see...when you go to college

OpenStudy (lgbasallote):

in physics and chemistry..they use decimal

Parth (parthkohli):

It is, but you really don't have to argue about it.

OpenStudy (lgbasallote):

i was saying that i preferred it ^_^

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