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Chapter 1: Q31. (page 64)

Evaluate each expression using properties of numbers. Name the property used in each step.

2路12+44路2-7

Short Answer

Expert verified

The value of the given expression is 5.

Step by step solution

01

Step 1. Method of applying the order of operations.

  1. Evaluate expressions inside grouping symbols.
  2. Evaluate all powers.
  3. Multiply and/or divide in order from left to right.
  4. Add or subtract in order from left to right.
02

Step 2. Evaluating the expression.

2路12+44路2-7=2路12+48-7Substitution=2路12+41Substitution

03

Step 3. Simplifying the expression.

2路12+41=2路12+4Multiplicativeidentity=1+4Multiplicativeinverse=5Substitution

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Most popular questions from this chapter

Evaluate the expression 15鈭�10+3鈭�22+6.

Estimate each square root to the nearest whole number.

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Write a verbal expression for each algebraic expression.

25+6x2

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A)鈥夆赌夆赌夆赌夆赌夆赌夆赌�14鈥夆赌�square鈥�metersB)鈥夆赌夆赌夆赌夆赌夆赌夆赌夆��16鈥夆赌�square鈥�metersC)鈥夆赌夆赌夆赌夆赌夆赌夆赌夆��50鈥夆赌�square鈥�metersD)鈥夆赌夆赌夆赌夆赌夆赌夆赌夆��60鈥夆赌�square鈥�meters

Simplify each square root.

361
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