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Chapter 1: Q. 10 (page 56)

Evaluate the expression.

2+4(3.5)

Short Answer

Expert verified

The value of the expression is84.2.

Step by step solution

01

Step 1  . Order of operations

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

Step 2  . Multiply from left to right

To evaluate the expression70.2+4(3.5), first remove the parenthesis and multiply the numbers as shown below,

70.2+4(3.5)=70.2+4鈰�3.5=70.2+14

03

Step 3  . Add the numbers

Now to simplify further, add the numbers to get

70.2+4(3.5)=70.2+14=84.2

Thus, the value of the expression is 84.2.

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