Answer:
4.375
Step-by-step explanation:
Convert.
4 = 4.
3/8 = .375
4 + .375 = 4.375.
(3-4i)(5+6i)
15+18i-20i-24i^2
15+18i-20i+24=
39-2i
Answer:
1,988,920,000,000,000 exagrams
1.98892 x (10^15)
Raise 10 to the power of 15
1.98892 x 1000000000000000
Multiply
1.98892 by 1000000000000000
which is 1988920000000000 exagrams
The answer is x=-5 hope that helps