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Chapter 1: Q36. (page 9)

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脳10+5.955脳50454

Short Answer

Expert verified

Value of52.84脳10+5.955脳50454 is 1.82

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 as shown below

52.84脳10+5.955脳50454=528.4+297.75454=826.15454

03

- Divide 826.15 by 454

Now, to simplify further divide the numbers to get

826.15454=1.82

Thus, approximate value of52.84脳10+5.955脳50454 is 1.82

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