The original poster attempts to understand how to determine the number of significant figures when performing addition and multiplication with numbers in scientific notation and whole numbers. The specific examples provided involve a sum and a product of numbers with varying formats.
Some guidance has been offered in the form of a link to an external resource, which may provide additional context on the topic. However, the discussion remains open, with participants exploring the implications of significant figures in the given scenarios.
The original poster has not provided specific rules or definitions they are using, which may affect the clarity of the discussion. There is also an indication of a need for further exploration of the topic, as the original poster is seeking help.
chemic_23 said:thank you very much!