I assume you mean significant digits. All digits are significant. A zero between other digits is always significant.
Five significant digits. Remember that all non-zero digits are significant, and all zeros in-between significant digits are significant.
All numbers which are not "zero" are classed as significant digits. Therefore in the number 129 there will be three digits which are classed as significant.
The number 6,051.00 has six significant digits. The number 6,051 has only four significant digits.
Because all non-zero numbers are significant and any zeros in-between significant digits are significant, there are 6 significant digits in 10.0039.
Answer: There are six. Answer: There is no such thing as "significant numbers". I assume you mean "significant digits". All digits are significant in this case - a zero (or more than one zero) between other digits is always significant.
I assume you mean significant digits. All digits are significant. A zero between other digits is always significant.
Five significant digits. Remember that all non-zero digits are significant, and all zeros in-between significant digits are significant.
All three numbers are significant digits, so 3.
It has 3 significant digits.
Because 10.00400 is 10.004, this has five significant digits (numbers).
All numbers which are not "zero" are classed as significant digits. Therefore in the number 129 there will be three digits which are classed as significant.
The number 6,051.00 has six significant digits. The number 6,051 has only four significant digits.
Because all non-zero numbers are significant and any zeros in-between significant digits are significant, there are 6 significant digits in 10.0039.
Leading zeros are not significant digits, therefore 007 has one.
There is only one number which contains 4 significant digits.
Three - all non-zero numbers are significant.