What is the smallest number that is a multiple of both 3 and 5?

15

Step-by-step explanation:

A simple way is to go through the multiples of (because it is the biggest) and see the first number is divisible by 3

You can also just multiply 3 and 5

The solution for both ways is 15

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-Chetan K

a) one student is chosen from classroom a, then a student is chosen from classroom b.  

step-by-step explanation:

independent events are ones in which the probability of one event does not affect the probability of the second event.

one student is chosen from classroom a; this does not affect the chances of choosing a student from classroom b.   this makes these independent events.

when one card is chosen from a standard deck and then set aside before a second card is chosen, the probability of the second card being chosen changes.   this makes them dependent events.

when one student is chosen from classroom a and then a second student is chosen from classroom a, the probability of choosing the second student changes.   this makes them dependent events.

when a letter is chosen from the alphabet and then a second letter is chosen, the probability of choosing the second letter changes.   this makes them dependent events.

could

step-by-step explanation:

u send me a picture of ur work