the goal of science is to discover. Scientist wanty to know and understand the world.
Answer:
1.) -2 - 1i
2.) -2 - 1i
3.) commutative
Explanation:
Given :
z = 1 + 3i
w = −3 − 4i
1.)
z + w :
1 + 3i + (-3 - 4i)
1 + 3i - 3 - 4i
1 - 3 + 3i - 4i
-2 - 1i
2.)
w + z
-3 - 4i + 1 + 3i
-3 + 1 - 4i + 3i
-2 - 1i
z + w = w + z
Hence, come number addition are commutative
1: National security today does not just mean that we protect ourselves from other countries but it also means we protect our country from its own citizens.
2: all of those computers connected to the Internet pose a threat to national security in a sense. If someone knows what they are doing they can eventually create a bot-net with those computers capable of targeting and taking out major websites.
3: Intelligence is any countries greatest weapon. Whatever country holds the greatest intelligence can foresee and defend from any attack.
4: all of the above
Answer:
social studies If I'm not lying