Por meio da HP-12C, resolva a seguinte expressão numérica: [ (45,67 – 38,4) x 4,5 – 11,3 ] x 5,6

How do i do this activity, is appreciated

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers