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Chapter 1: Q30. (page 9)

Find the value of each expression

30.169-224

Short Answer

Expert verified

Value of 169-224 is -52

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 terms of numerator as shown below

169鈭�224=16鈭�134=鈭�2084

03

- Divide by 4

Now, to simplify further divide the numbers to get

-2084=-52

Thus,169-224=-52

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