First, write an expression.; The correct expression is n + 8.; Second, substitute 5.3 for the variable, n.; Third, simplify by adding 5.3 and 8.; The answer is 13.3.

Answers Pre-Algebra A-CR Writing and Evaluating ExpressionsQuestion 1

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Writing and Evaluating Expressions

Question 1 • Pre-Algebra A-CR

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Answer

First, write an expression.

The correct expression is n + 8.

The correct expression is 8n.

Second, substitute 5.3 for the variable, n.

Third, simplify by adding 5.3 and 8.

Third, simplify by multiplying 5.3 and 8.

The answer is 42.4.

The answer is 13.3.

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