Counting Significant Figures Flashcards
284
has how many significant figures?
284
Has 3 sig figs
28.5
has how many significant figures?
28.5
Has 3 sig figs
1.20
has how many significant figures?
1.20
Has 3 sig figs
0.719
has how many significant figures?
0.719
Has 3 sig figs
What is the “Mantissa” of this number?
1.25
0.0004
has how many significant figures?
0.0004
Has 1 sig fig
0.00090
has how many significant figures?
0.00090
Has 2 sig figs
770
has how many significant figures?
770
Has 2 sig figs
930,020
Which digit above is the uncertain digit?
930,020
0.73666
has how many significant figures?
0.73666
Has 5 sig figs
What is the exponent of this number?
The 3 (or the 103)
670.45
Which digit above is the uncertain digit?
670.45
80000
has how many significant figures?
80000
Has 1 sig fig
What is meant by the words
“The Uncertain Digit?”
The “Uncertain Digit” is usually the farthest digit on the right.
- 2
- 770
574
92.000
3000
has how many significant figures?
3000
Has 1 sig fig
12
has how many significant figures?
12
Has 2 sig figs
What is the “Mantissa” of this number?
1.38502
.0080
Which digit above is the uncertain digit?
.0080
600783
has how many significant figures?
600783
Has 6 sig figs
559.832
has how many significant figures?
559.832
Has 6 sig figs
What is the “Big Digit?”
The “Big Digit” is the farthest left, non-zero, digit in a number.
250.9
30337
0.000344
1.003
has how many significant figures?
1.003
Has 4 sig figs
49.924
has how many significant figures?
49.924
Has 5 sig figs
What is the exponent of this number?
-1 (or the 10-1)
37.003
has how many significant figures?
37.003
Has 5 sig figs
1234500
has how many significant figures?
1234500
Has 5 sig figs