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Chapter 2: Q78. (page 96)

Evaluate each expression.

[8(2)鈭�42]+7(4)

Short Answer

Expert verified

The required value is 28.

Step by step solution

01

Step 1. Remove the parenthesis.

[8(2)鈭�42]+7(4)=[16鈭�42]+28

02

Step 2. Solve the exponent.

[8(2)鈭�42]+7(4)=[16鈭�16]+28

03

Step 3. Subtract the numbers.

[8(2)鈭�42]+7(4)=0+28[8(2)鈭�42]+7(4)=28

The required value is 28.

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Most popular questions from this chapter

The table shows the percentage of households that have broadband Internet access and the average growth rates for two age groups. How long will it take for the percentages to be the same?

Source: Pew Internet B American Life Project

Translate each equation into a sentence.

32r-t3=132

Solve 45x+7=315x鈭�3

  1. 鈭�1623
  2. 鈭�1449
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  4. -10

Solve each equation. Check your solution. (Lesson 2-3)

12z+7=16鈭�35z

Write a problem based on the following information:

g=驳测尘苍补蝉迟蝉鈥夆赌塷苍鈥夆赌塧鈥夆赌塼别补尘鈥�;3g=45
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