21BTW : mere pass answer nahi hai..........
SO pl. write a "100% SURE" or sumthin if u r real confident, baki to fir Experts hain naa....
In da fol. how many sig. fig. r ther
1) 0.070
2) 0.07*10^-1
3) 70*10^-3
4) 0.70*10^-2
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UP 0 DOWN 0 0 8
8 Answers
11....... ans.2....0.70 into 10^-2
2....... ans 1....7*10^-3
3....... ans 1 ...0.7*10^-1
4....... ans 2
2111I have also checked my ans with
http://ostermiller.org/calc/significant_figures.html
And they are rite
1wel ya....................
for 3
isnt it obvious 70 has only 1 sig fig.???
but since its 70*10^-3.............
i think virang is correct