A beam of light (travelling at the speed of light) would take 65 years to go and 65 years to come back from aldebaran, i.e. 130 years. You can send and receive a radio message (travelling at the speed of light, being electromagnetic radiation) taking so 130 years.
Answer:
8/3
Step-by-step explanation:
Answer:
not equal
Step-by-step explanation:
first multiply 2 by 5x and by positive 4
2(5x+4)---->10x+8
10x +8 does not equal 6x +4x-1
Answer:
A is 2/4 and 4/8
B is 2/8
C is 6/8
Step-by-step explanation:
Hope it helps