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Chapter 1: Q71. (page 52)

Evaluate each expression. (Lesson 1-2)

If n=-1then2n+1=?

Short Answer

Expert verified

The value of the expression2n+1 is 鈭�1.

Step by step solution

01

Step 1. Given.

The given expression is2n+1 and the given value is n=鈭�1.

02

Step 2. To find.

We have to find the expression2n+1 for n=鈭�1.

03

Step 3. Calculation.

We will plug n=鈭�1in the expression to find the value of the given expression.

2鈭�1+1=鈭�2+1=鈭�1

Hence, the value of the expression2n+1 is -1.

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