Step-by-step explanation:
See attached image for proof
Answer:
- 6 - 3i
Step-by-step explanation:
Given
(- 3 - 2i) - (3 + i) ← distribute both parenthesis
= - 3 - 2i - 3 - i ← collect like terms
= - 6 - 3i
Answer:
The babies massed in total 7.41 kg
Step-by-step explanation:
we know that
To find out the total mass, sum Adrian's mass and Chang's mass
so
The total mass is equal to

therefore
The babies massed in total 7.41 kg