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you cant, it can only have 1
there are rules significant figures
trailing zeroes do not count. so, 0.00 has no significant figures 00.0 has no significant figures 000 has no significant figures
1.01 has three 1.00 has three 10.0 has three
What if the answer is 0 in a question? Do I write the answer as 0 or 0.0 or 0.00? Its chemistry stuff
zero is zero there's nothing significant with just zero because it is not even a measurement -it does not exist
0.00000000000000000000000000000001 has one significant figure
Why do teachers mark it wrong if it does not follow with sig dig rule?
rule 1. all non zero numbers are significant rule 2. all FINAL zero AFTER the decimal is significant rule 3. all numbers between two significant figures are significant
0.5000 has 4 sig figs 000.50 has 2 sig figs
final zero after the decimal IF there are non-zero beforehand 0.00000000000000000000000000000 has no significant figure
0.01000000 has seven significant figures
^yes that's right
the important and practical use of significant figures is that they allow precision measurement, that is with consideration of uncertainty
the more significant figures, specially after the decimal point the more precise is the measurement … supposedly