The prefix form of an infix expression p + q − r * t is:
A. + pq − *rt
B. − +pqr * t
C. − +pq * rt
D. − + * pqrt
Answer:C
The prefix form of an infix expression p + q − r * t is:
A. + pq − *rt B. − +pqr * t C. − +pq * rt D. − + * pqrt