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what did you get

I got density

that is correct
density = mass/volume

yaya!!! I have another question

write 6.3 · 10-5 as a number
A. 0.063
B. 0.0063
C. 0.000063
D. 0.00063
Wouldnt it be C??

yep, move the decimal 5 spots to the left

can u try your best to correct my questions?

what kind of questions, science?

yep, easy question

ok it'll depend, but i'll give it my best shot

okay thanks!!:)

what did you get

got C

since the force of gravity on the moon is smaller

oh gotchya!

I got B

hmm unless you know what the gas is (and if it's not toxic), then B would be fine

but most of the time you don't know the gas and if it's toxic or not

A is just stupid and will most likely lead to a fire

its C

yep, D is just as stupid too when you can do C

yep lol

write 7,200,000,000 in scientific notation
A. 7.2*10^8
B. 7.2*10^7
C. 7.2*10^10
D. 7.2*10^9

you got ???

I got D

me too, it's 7.2 billion

write 9.4*10^-2 as a number
A. 0.094
B.0.94
C. 9.4
D. 0.0094

I got D

move the decimal 2 spots to the left

oh A right?

yep

wouldnt it be either A or C?

probably C since it could be hazardous, but you don't know

better be safe than sorry

yes thats very true lol!

or the ocean

or B

either A or D I think

hmm which one should we choose then?

something like 0.000000501 has 3 sig figs (5, 0, 1) because the zeros in front aren't counted

something like 7,000,000 has only 1 sig fig

but if you said 7,000,000.0, then it would have 7 sig figs

so then we should pick A right?

D could be lumped together with C somehow, not sure though

so I would think D is partially true, which means we can eliminate it

so yeah, A

I got A

you sure?

actually I think they both can be absolute but not chalanged

what do you think I got C for my answer now

I would think that a law is absolute, but a theory can be challenged

if it couldn't be challenged, then it would be perfect and there wouldn't be any flaws

oh alright, so then B would be a reliable answer?

yeah B sounds better

what does a centi represent?
A. 10^-3
B. 10^-2
C. 10^2
D. 10^3

B. 10^-2

centi = one-hundredth

hey jim sorry my computer died

u still here

that's ok

I got b for the last question about the centi

yes that's correct

how many millimeters are in 1.6 liters?

you mean milliliters?

1,600 right? and yep:)

not millimeters

yeah 1600 mL

is the mass of the force if gravity on an object?
A. volume
C. mass
C. matter
D. weight

what did you get

I got weight

good

is that correct?

yes

right again

Which of the following is equivalent to 16mL?
A.16cm^3 B.16 gallons c.16 liters D. 16m^3

I got A

me too

I got B

correct

write 0.72 in scientific notation
I got 7.2*10^-1

good

you're on a roll

thanks!
write 9.4*10^5 as a number
A. 940,000
B. 9,400
C. 94,000
D. 9,400,000

you got what

I got C as my answer

@jim_thompson5910 were did ya g? lol

C is wrong

sry the site is glitching on me

and going slow too

hey u their?

yeah

I got B

you multiply by 2.54, not divide

167.64

I think its D

D sounds right, but it might be A

D sounds like a better fit though

write 9.4*10^5 as a number
A. 940,000
B. 9,400
C. 94,000
D. 9,400,000

is it b?

B would be 9.4*10^3

D?

you would move the decimal point 5 spots to the right

ohhh lol then A

right?

yes

thanks fer yer help:)!!