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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鈭�4=311鈭�4=33鈭�4

03

- Subtract 4 from 33

Now, to simplify further subtract the numbers to get

33-4=29

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