Question

Main Menu Contents Grades Course Contents » » Problem Set 1 (2) Ranking Significant Digits Rank the following values in order of increasing number of significant digits. 5 30,000.0 4 3.2-103 317 1300 130,000 If two values have the same number of significant digits, assign the same rank and skip the next one (like in sports). Submit Answer You have entered that answer before Incorrect. Tries 1/5 Previous Tries Post Discussion

Answer 1

1) 6 significant figures.Because zeros after decimal of non zero digit are significant.

Answer=6.

2) 2 significant figures. Exponential are non significant.

Answer=2.

3)2 significant figures.

All non zero digit are significant.

4) 1 significant figure. Without decimal zero after nonzero digit is non significant IF UNITS ARE NOT ASSOCIATED WITH THE VALUE .IF UNIT IS GIVEN THEN ALL DIGITS WILL BE SIGNIFICANT .(e.g.- 300 has only one significant figure but 100km has THREE significant figures .)

5) 1 significant figure.

Same logic.