maths Flashcards
(6 cards)
1
Q
what is a prime number
A
a whole number greater than 1 that cannot be exactly divided by any whole number other than itself and
2
Q
what does that n looking symbol mean in sets
A
(A ∩ B) = The number of elements that are common to both A and B
3
Q
what does the u looking symbol mean in maths
A
just everything
4
Q
what does ‘ mean in sets
A
s a set that contains the elements present in the universal set but not in set A
5
Q
what does \ mean in maths
A
so like if it was q\p you take away everything in p and whatever is in q is your answer
6
Q
what does the # mean
A
the number