Zeroes to the left of the decimal point are significant if there is a decimal point present. Zeroes between numbers are always significant. Zeroes to the right of the decimal point are always significant. Non-zero numbers except for the last are always significant. The last non-zero number is always insignificant.
0.50 has two significant figures, the 5 and the trailing 0 after the decimal point. The leading zero before the decimal point is not significant.
That is correct.
5 As the zeroes are to the right of the decimal point, they too are significant
Five - zeros after the decimal point that aren't placeholders are significant.
Zeroes to the left of the decimal point are significant if there is a decimal point present. Zeroes between numbers are always significant. Zeroes to the right of the decimal point are always significant. Non-zero numbers except for the last are always significant. The last non-zero number is always insignificant.
0.50 has two significant figures, the 5 and the trailing 0 after the decimal point. The leading zero before the decimal point is not significant.
There are four significant figures in 149.0. The trailing zero after the decimal point indicates that it is significant.
All nonzero numbers are significant (1, 3, and 7 are significant). Zeros in-between significant digits are significant (the first zero is significant). All zeros after the decimal point that aren't placeholders are significant (last zero is significant).
The two digits after the decimal point.
It can be.
There are 4 significant zeros in the measurement 0.000 040 200 m. Zeros between significant digits are considered significant, as well as zeros to the right of the decimal point in a measured quantity.
True
That is correct.
5 As the zeroes are to the right of the decimal point, they too are significant
Five - zeros after the decimal point that aren't placeholders are significant.
1 as there is no decimal point. A decimal placed after the zero would indicate that it (the zero) is significant. No decimal means that it's a placeholder.