Homework problem

General
1

Round the four numbers −2π , −π , π and 2π to 5 significant digits and then square the resulting numbers

mynums <- pi * c(-2, -1, +1, +2) 
signif(mynums, 5)
mynums^2

I don't know how to correct this, can you please tell me what is wrong with my code and how to change

2

You need to assign your result steps to variables, e.g. mynums <- signif(mynums, 5)

3

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