Answer:
A∩B=∅
Step-by-step explanation:
A intersect B have no elements in common - so we have the empty set.
Answer:
it's quadratic
Step-by-step explanation:
sorry i answered late but i hope this helps other people
The answer would be 1.40. The 3 significant figure are 1.39 and it wants us to round so we look at the 8 in 1.3981 and since 8 > 5 we know to round up.
The answer is -4 + 2 + -0.25 + 0.5.