chem h sig figs

Question 0

523.1

Answer 0

4

Question 1

Rule 1

Answer 1

All non zero numbers are significant

Question 2

Rule 2

Answer 2

All zeros that are sandwiched between other significant figures are significant

Question 3

20005

Answer 3

5

Question 4

Rule 3

Answer 4

Any zero that papers after the decimal place and a significant figure in front of it will be significant

Question 5

0.00025

Answer 5

2

Question 6

25.0

Answer 6

3

Question 7

Rule 4

Answer 7

Any zero that is at the end of a non decimal number will not be significant

Question 8

5000

Answer 8

1