To correct to 4 significant figures, you need to round the number to have four digits starting with the first non-zero digit from the left. If the fifth digit is 5 or more, round up the last remaining digit. If it's less than 5, keep the digit as it is.
4 significant figures.
If the zeros are significant figures then 900 is correct to 3 significant figures. If rounding off has occurred then the answer could be 1 sf or 2sf. For example : If the original number was 903 and rounding off to the nearest ten was required then 900 is correct to 2 significant figures. If the number was 927 and rounding off to the nearest hundred was required then 900 is correct to 1 significant figure.
There are 3 significant figures in 94.2.
4 significant figures.
0.48 has 2 significant figures and 0.4800 has 4 significant figures. The correct answer would depend on the device used to measure the string, and on the precision of that instrument.
776,890 in four significant figures is 776,900.
The number of significant figures depends on how the number was derived. If 0.00999 + 0.00001 then it has 4 sig figs even if it appears to have only 1.
4 significant figures.
4 of them.
If the zeros are significant figures then 900 is correct to 3 significant figures. If rounding off has occurred then the answer could be 1 sf or 2sf. For example : If the original number was 903 and rounding off to the nearest ten was required then 900 is correct to 2 significant figures. If the number was 927 and rounding off to the nearest hundred was required then 900 is correct to 1 significant figure.
There are 3 significant figures in 94.2.
The correct answer is 2. The three zeros between the decimal point and the 1 are place holders but they are NOT significant digits. See, for example, the Wikipedia link.
4 significant figures.
Significant figures are very important when it comes to calculations. If the mass of an electron is 9.10939 x 10-31 then its significant figures are: 9 x 10^-31( correct 1 significant figure), 9.1 x 10^-31 kg ( correct to 2 significant figures), 9.11 x 10^-31 (correct to 3 significant figures), and 9.109 x 10^-31 (correct to 4 significant figures).
which is the correct product of the significant figures 3.278 and 4.23.
4 significant figures.
2.31 has 3 significant figures 4 has 1 significant figure 8.123 has 4 significant figures