Answer:
5.05*10³
Step-by-step explanation:
0.54 cents
20. = 5(ab)^4 / 9mc^7
24. = 9c^4
Answer: He now weighs 4.2 kg because 4/10 of 3 is 1.2 and 1.2+3=4.2
Answer: A: -25/2