define hypothesis and theory, and differentiate between a hypothesis and a theory.
define hypothesis and theory, and differentiate between a hypothesis and a theory.
Significant Digits Questions
(1) identify the number of significant digits:
7.5
3.40
209
209.10
1.3 x 103
27.077
270.00
2.7 x 102
(2) What “significant digit” means in scientific measurements.
(3) Why is it important to note the location of the decimal in every number?