Technically it is 30.40 to 4 s.f. Note that you must explicitly specify the significance of any trailing zeroes to remove any ambiguity.
14.587020 has eight significant digits. If you were going to round it off to four, the answer would be 14.59
14.587020 rounded to four significant digits is 14.59
To round 1,248,486 to four significant figures, you focus on the first four digits, which are 1, 2, 4, and 8. The digit following these is 4, which means you do not need to round up. Therefore, 1,248,486 rounded to four significant figures is 1,248,000.
To round the number 1127436092 to four significant figures, identify the first four significant digits, which are 1127. The next digit is 4, which is less than 5, so you do not round up. Therefore, the number rounded to four significant figures is 1127000000.
The 1st four digits are significant
14.587020 has eight significant digits. If you were going to round it off to four, the answer would be 14.59
14.587020 rounded to four significant digits is 14.59
There are four significant digits in the number 1.071.
There are four significant figures in 1.004.
The 1st four digits are significant
Four - zeros between significant digits are significant.
All four of the digits given are significant digits.
Four - zeros between significant digits are significant.
The number 42.31 pounds has four significant digits.
111.009 rounded to four significant digits is 111.0
One - the four. None of the trailing 0s are significant digits.
Four of them.