Write the cardinal number of A = {x: x is a multiple of 50, x < 490}.
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Write the cardinal number of A = {x: x is a multiple of 50, x < 490}.
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Answer:
It is simple A table of 50 less 10 times
Step-by-step explanation:
as 50 is multiple of 50
50×2, 50×3..........,50×9will also be myltiple of 50
but why can not take 50×10 because it is equal to 500 which is grater than 490
so the set A={ 50, 50×2,50×3,.......,50×9}
all done