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Page 128



		10. Name two things that contribute to the readability of a program.



		11. Formatting a program incorrectly causes an error. (True or False?)



		Programming Warm-Up Exercises



		1. Write an assignment statement to calculate the sum of the numbers from 1 through n using Gauss's formula:



		Store the result into the int variable sum.



		2. Given the declarations



		int i; int j; float x; float y;



		write a valid C++ expression for each of the following algebraic expressions.



		3. Given the declarations



		int i; long n; float x; float y;



		write a valid C++ expression for each of the following algebraic expressions. Use calls to library functions wherever they are useful.

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