| Name__________________________ |
Section___________________________ |
Remember These Rules:
- Digits from 1-9 are always significant.
- Zeros between two other significant digits are always significant
- One or more additional zeros to the right of both the decimal
place and another significant digit are significant.
- Zeros used solely for spacing the decimal point (placeholders) are
not significant.
Identify the
number of significant digits show in each of the following examples.
| 1) 4.0 x 103
|
2) 1.67 x 10-8 |
3) 5 x 1012 |
4) 2.00 x 104 |
| 5) 635.000
|
6) 22 000 |
7) 5201 |
8) 81 |
|
Answers:
1) 2 2) 3 3) 1
4) 3 5) 6 6) 2
7) 4 8)
2
|
Please forward all questions, comments and criticisms to Gregory L. Curran.
© Copyright 2004 Fordham Preparatory School, All Rights Reserved.
Last Modified May 22, 2004 |