- #1
chriscarson
- 197
- 26
- Homework Statement
- What s wrong if there is something wrong .
- Relevant Equations
- Stress over strain
Some one knows if its ok like this the answers?
Is This OK? - Answers to Your Questions
- Thread starter chriscarson
- Start date
Click For Summary
Homework Help Overview
The discussion revolves around a homework problem related to the concept of stress over strain, with participants questioning the accuracy of numerical answers and significant figures in their calculations.
Discussion Character
- Conceptual clarification, Assumption checking, Mathematical reasoning
Approaches and Questions Raised
- Participants attempt to clarify the correctness of their answers based on significant figures and rounding rules. Questions arise regarding the interpretation of numerical values and the proper representation of answers.
Discussion Status
The conversation is ongoing, with participants providing feedback on each other's reasoning about significant figures and the rounding process. There is no explicit consensus, but some guidance on rounding and significant figures has been offered.
Contextual Notes
Participants note confusion regarding the original question and the numerical values involved, specifically the transition from 3.28 to 3.3 and the mention of powers of ten.
Some one knows if its ok like this the answers?
- #2
- 42,906
- 10,527
Hard to say since you do not state the actual question. Inferring the question from your working, it looks right except that you quote far too many digits. The data you are given are only to two significant figures, so that's how your answer should be.chriscarson said:
- #3
chriscarson
- 197
- 26
So must be 3.2 x 10 to the power of 18 ?
- #4
- 42,906
- 10,527
No, 3.28... would round to 3.3, not 3.2. And where did the 18 come from? You had 1010.chriscarson said:
- #5
chriscarson
- 197
- 26
haruspex said:
So it have to be only 3.2 ?
- #6
chriscarson
- 197
- 26
haruspex said:
Oh yes sorry , to the power of 10 .
Look s like everytime I Work a sum everytime different answer .
Thanks