231.57 has five significant figures/numbers. All the numbers in 231.57 are significant.
3 significant figures.
2310 has 3 significant figures.
The sum of numbers can have as many significant figures as the number with the least significant figures in the original numbers. For example, if you add numbers with 3, 4, and 5 significant figures, the sum will have 3 significant figures.
Four - all nonzero numbers are significant.
All even numbers greater than 2 are composite.
The square root of 2266 is 47.60252094164762. That would be 47.60252094164762 x 47.60252094164762 which equals 2266.
1 x 2266, 2 x 1133, 11 x 206, 22 x 103, 103 x 22, 206 x 11, 1133 x 2, 2266 x 1
This number, 2266, is already in simplest for. You see, there is no fraction, decimal or any other indicator to help simplify this number.
231.57 has five significant figures/numbers. All the numbers in 231.57 are significant.
All nonzero numbers are significant.
2266
Three. All nonzero numbers are significant, and any zeros in between significant numbers are significant.
The figure 18.03 has a total of four significant numbers
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.
Because 10.00400 is 10.004, this has five significant digits (numbers).
1.0348m rounded to 4 significant numbers is 1.035m