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Yes stefy I agree with you, but still we use approx symbol for that... don't we ?,in the book they directly used equal symbol.
Well, you rounded the answer too, but it is correct. That expression is approximately 1.02.
Well,I thought that but in that case physics books useapprox symbol in general.
So I am right with the math ?
Well, physics books tend to round their answers very much. I think it is acceptable to do so.
Is the math correct ? as far my math goes it should be 1.02