Question

Evaluate the following postfix expression
120, 4,20, +,20, 10,- +,*​

Answer 1

Explanation:

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Answer 2

Given:

120, 4, 20, +, 20, 10, -, +, *​

To find:

Evaluate the following postfix expression 120, 4, 20, +, 20, 10, -, +, *​

Solution:

120, 4, 20, +, 20, 10, -, +, *​

120, (4 + 20) , 20, 10, -, +, *

120, 24, 20, 10, -, +, *

120, 24, (20 - 10) , + , *

120, 24, 10 , + , *

120, (24 + 10) , *

120 , 34 , *

(120 * 34)

4080

According to calculation the postfix expression 120, 4, 20, +, 20, 10, -, +, *​ evaluates to 4080