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Chapter 1: Q73. (page 24)

Evaluate the expression when x=2and y=8(Lesson 1.3)

localid="1649145504015" xy+1

Short Answer

Expert verified

The value of the expression is17.

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 the numbers from left to right

To evaluate the given expressionxy+1, substitute 2 for x and 8 for y and simplify the further shown below

xy+1=2鈰�8+1=16+1

03

Step-3 – Add the numbers

Now to simplify further, add the numbers to get

16+1=17

Thus, the value of the expression is 17.

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