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While evaluating a prefix expression, the string is read from?

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in Data Structures & Algorithms I by (111k points)
While evaluating a prefix expression, the string is read from?

(a) left to right

(b) right to left

(c) center to right

(d) center to left to right

I'm obligated to ask this question of Application of Stacks topic in portion Application of Stacks of Data Structures & Algorithms I

I have been asked this question by my college professor while I was bunking the class.

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Right answer is (b) right to left

Explanation: The string is read from right to left because a prefix string has operands to its right side.

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