Asked by Em
Which contain 3 significant figures and no others?
1. 326.0
2. 0.00310
3. 46,900
4. 1,070
5. 0.020
Isn't there more than one correct answer?
Thank You
1. 326.0
2. 0.00310
3. 46,900
4. 1,070
5. 0.020
Isn't there more than one correct answer?
Thank You
Answers
Answered by
Liz
I think numbers 1, 2, 3 and 4 all contain only 3 sig figs
Answered by
ALISON
2,3,4
Answered by
ALISON
number one contains 4 significant figures.
Answered by
DrBob222
The question bothers me. What do they mean by "no others?"
#1 contains 4 s.f.
#2 contains 3 s.f. BUT it contains 3 zeros that are not s.f. which I see as "some others".
#3 contains who knows? Technically, with no decimal at 46900. it contains only 3 s.f. BUT it contains the two zeros that I read as "something other."
#4 has the same problem as #3. With no decimal after 1070. it counts as 3 s.f. for the 107 BUT it contains a zero which is "something other."
#5 contains 2 s.f. BUT it contains two zeros that are not significant which I read as something other.
Frankly, I think the problem needs work. As I read it NONE of them has 3 s.f. WITH NO OTHERS.
#1 contains 4 s.f.
#2 contains 3 s.f. BUT it contains 3 zeros that are not s.f. which I see as "some others".
#3 contains who knows? Technically, with no decimal at 46900. it contains only 3 s.f. BUT it contains the two zeros that I read as "something other."
#4 has the same problem as #3. With no decimal after 1070. it counts as 3 s.f. for the 107 BUT it contains a zero which is "something other."
#5 contains 2 s.f. BUT it contains two zeros that are not significant which I read as something other.
Frankly, I think the problem needs work. As I read it NONE of them has 3 s.f. WITH NO OTHERS.
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