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Chapter 1: Q1. (page 12)

Evaluate each expression.

92

Short Answer

Expert verified

The value of the expression 92is 81.

Step by step solution

01

Step 1. Order of operations.

In order to evaluate an expression, the order of operations must be followed, which is:

  1. Evaluate the expressions inside the bracket
  2. Evaluate the powers
  3. Multiply and/or divide
  4. Add and/ or subtract

The evaluation takes place from left to right.

02

Step 2. Evaluate all powers.

Use 9 as a factor 2 times.

92=9鈰�9

03

Step 3. Multiply from left to right.

To further evaluate multiply 9 by 9.

92=81

Therefore, the expression is equal to 81.

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