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Chapter 1: Q18. (page 9)

Find the value of each expression

18.38+3-4

Short Answer

Expert verified

Value of38+3-4 is 29

Step by step solution

01

- Order for simplification 

To evaluate any expression involving more than one operation, follow the below order of operations:

  • First evaluate expressions inside grouping symbols like parentheses ( ) or brackets [ ].
  • Evaluate the exponents.
  • Perform Multiplication and division from left to right.
  • Perform addition and subtraction from left to right
02

- Simplify expression inside grouping symbol 

To evaluate the value of the given expression, first simplify the expression inside the parenthesis and then multiply it with 3 as shown below

38+3−4=311−4=33−4

03

- Subtract 4 from 33

Now, to simplify further subtract the numbers to get

33-4=29

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Most popular questions from this chapter

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Determine the IV flow rate for the patient described at the beginning of the lesson by finding the value of1500×1512×60

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The amount of pollutants saved by riding a bicycle rather than driving a car is calculated by adding the organic gases, carbon monoxide, and nitrous oxides emitted. To find the pound of pollutants created by starting a typical car 10 times and driving it for 50 miles, find the value of expression 52.84×10+5.955×50454

Determine which expression below represents the amount of change someone would receive from a \(50bill if they purchased 2 children’s ticket at \)4.25each and 3 adult ticket at $7each at a movie theatre. Explain.

a.50−2×4.25+3×7b.50−2×4.25+3×7c.50−2×4.25+3×7d.50−2×4.25+3×7
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