using a number line, find both the intersection and the union of following intervals: [1,5] and (0,8]
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Hi!
I can help you with joy!
Let's list 10 multiples of 40 and 10 multiples of 28.
The first 10 multiples of 40 are:
40, 80, 120, 160, 200, 240, 280, 320, 360, 400...
The first 10 multiples of 28 are:
28, 56, 84,112, 140, 168, 196, 224, 252, 280
I have highlighted it. Guess why!
Because it's the LCM (LEAST COMMON MULTIPLE) of 40 and 48.