Question

What is the value of the postfix expression 6,5,3,+,9,*+​

Answer 1

the distance selling regulations

Answer 2

Concept:

A single letter or operator preceded by two postfix strings forms a postfix expression. The first and second operands are followed by an operator in every postfix string longer than a single variable.

Given:

The postfix expression $6,5,3,+,9,*,+$

Find:

The value of postfix expression.

Solution:

Step 1:

Push $6,5,3$ into the stack.

Contents in the stack: $6,5,3$

Step 2:

Pop $5,3$ and perform addition $(+)$. Now, push $8$ into the stack.

Contents in the stack: $6,8$.

Step 3:

Push $9$ into the stack.

Step 4:

Pop $8,9$ and perform multiplication. Now, push the result $(72)$ into the stack.

Contents in the stack: $6, 72$.

Step 5:

Pop $6, 72$ and perform addition. Now, push the result into the stack.

Contents in the stack: $78$.

Hence, the value of the expression is $78$.