Answer:
1315, 13.09, 13, 13.5%.
Step-by-step explanation:
13.5% is less than 1 because 100% = 1.
B) 421
√2 + √-18
√2 + √9·-2
√2 + 3√-2
(3 +1 )(√2 ·√-2) = 2i
4 · 2i