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Biology 16 Online
OpenStudy (anonymous):

Divide the following measurements using correct significant digits. 634.4 in2 ÷ 0.184 in 3,448 in 3,450 in 3,000 in 3,447.8 in

OpenStudy (anonymous):

@Kstate @SACAPUNTAS @Directrix @BangkokGarrett

OpenStudy (anonymous):

Ok, so this is division, so this time you do want to base it on total number of sig figs.

OpenStudy (anonymous):

Which of those two has the least significant digits and how many are there?

OpenStudy (anonymous):

yes 4

OpenStudy (anonymous):

Er... I don't think the leading 0 is significant. You can write the number in scientific notation and make it go away.

OpenStudy (anonymous):

most likely yes

OpenStudy (anonymous):

so C would be out to right

OpenStudy (anonymous):

\(1.84 \times 10^{-1}\)

OpenStudy (anonymous):

I wish they would've put the answers in scientific notation. It would've made it clear that those zeros are not significant.

OpenStudy (anonymous):

so B and C r out

OpenStudy (anonymous):

Why?

OpenStudy (anonymous):

because of the zeros shouldnt be there right

OpenStudy (anonymous):

I think the point is the zeros are not significant. 3000 in only has one significant digit.

OpenStudy (anonymous):

ok so im just confused which answer should be tooken out

OpenStudy (anonymous):

I'm not totally sure but I think because of 0.184 we're looking for the one with 3 significant digits.

OpenStudy (anonymous):

ok so wht do u think the best answer choice will be

OpenStudy (anonymous):

Which answer has 3 significant digits?

OpenStudy (anonymous):

none really but D i believe or A

OpenStudy (anonymous):

A actually

OpenStudy (anonymous):

Remember that the zeros aren't significant. So 3000 has one significant digit, the 3. 3448 has four. The 3, 4, 4, and 8.

OpenStudy (anonymous):

634.4^2 thts wht the first part is

OpenStudy (anonymous):

brb

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