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Chemistry 16 Online
OpenStudy (anonymous):

Mary performs this calculation. (2.0)(3.0) How many significant figures should her answer have? one two four six

OpenStudy (jfraser):

use the same rules

OpenStudy (anonymous):

right so it would be 2

OpenStudy (jfraser):

use the same rules, not necessarily the same answer

OpenStudy (jfraser):

post the question properly, your link is bad

OpenStudy (anonymous):

2.0 x 3.0 = 6.0 sooo there would be 2 significant values in 6.0? or would it be 1?

OpenStudy (jfraser):

how many sigfigs in the worst measurement?

OpenStudy (anonymous):

what do u mean by worst measurement?

OpenStudy (jfraser):

the worst measurement is typically the one with the fewest total sigfigs

OpenStudy (anonymous):

are there 2 significant figures in 6.0?

OpenStudy (jfraser):

yes, but 6.0 isn't a measurement. 2.0 and 3.0 are the measurements

OpenStudy (anonymous):

so would the answer be 4? being that there are 4 signifs?

OpenStudy (jfraser):

no. each measurement is considered separately. 2.0 has 2 sigfigs. 3.0 has 2 sigfigs the final answer, then, gets 2 sigfigs.

OpenStudy (anonymous):

so i was right it is 2? I said that in the begining

OpenStudy (jfraser):

yes, but not necessarily because there were 2 last time

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