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Chapter 1: Q26. (page 63)

Evaluate each expression if a=4,b=3and c=9.

a2+2bc梅7

Short Answer

Expert verified

The value of the given expression is 10.

Step by step solution

01

Step 1. Method of applying 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. Putting the values of given variables in the expression.

a2+2bc梅7=42+2路3路9梅7sincea=4,b=3,c=9

03

Step 3. Solving bracket.

42+2路3路9梅7=16+2路3路9梅7Evaluatingpower=16+54梅7Performingmultiplication=70梅7Performingaddition

04

Step 4. Simplifying the expression.

70梅7=10Performingdivision

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