503
502.654
0.000729512 in scientific notation written to 3 significant places is 7.30x10-4.
Significant figures. For example, 3.4953729 to 3 significant figures would be 3.495
Three. This refers to the number of significant digits AFTER the decimal point.
0.2551
500
1.324 has 4 significant figures.It has 3 decimal places.
0.000729512 in scientific notation written to 3 significant places is 7.30x10-4.
Significant figures. For example, 3.4953729 to 3 significant figures would be 3.495
15.67 When multiplying or dividing, the answer is rounded to the least number of decimal places as the number in the problem with the least number of decimal places. 6.35 has 2 decimal places and 2.467 has 3 decimal places, so you round the answer to 2 decimal places.
4.7 / 82.4 = 0.057 (to 3 decimal places/significant figures)
Exactly what you typed. 144.78 rounded to 2 decimal places is 144.78. You may mean significant figures, in which case it would be 1.4*10^3 (2 significant figures).
sq.root 125 = 11.180339...... to 3 significant figures: 11.2 to 3 decimal places: 11.180
Three. This refers to the number of significant digits AFTER the decimal point.
0.2551
500
None of them, you do that! You have given it to the precision of 3 decimal places or 6 significant figures however.
How many significant figures are in 20.8