Question: Evaluate the expression in Polish (also known as prefix) notation: X-+34-7212X3-64 Evaluate the expression in reverse Polish (also known as postfix) notation: 432-5X42X5X3 Draw the

Evaluate the expression in Polish (also known as prefix) notation:

X-+34-7212X3-64

Evaluate the expression in reverse Polish (also known as postfix) notation:

432-5X42X5X3

Draw the Hasse diagram for:

A = {1,2,3,4,5}

R = {(1,1),(2,2),(3,3),(1,3),(3,4),(3,5),(1,4),(4,4),(1,5),(2,5),(2,5),(5,5)}

For the Hasse diagram for a relation on A = {1,5,10,15,30} under divisibility

What does 1 connect to?

What does 5 connect to

What does 10 connect to?

What does 15 connect to?

What does 30 connect to?

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