We need to work with the same units, so first, we convert 1 km to cm.
1 km = 1000 m
1 m = 100 cm
1 km = 100,000 cm
Now we divide 100,000 cm by 5 cm.

Answer: It will take 20,000 years.
Answer:
28
Step-by-step explanation:
you would divide 42 by 6 which is 7 and than multiply 7 by 4 which would get you 28
Answer:
do you have answer choice
Step-by-step explanation:
Answer: {x,y}={5,2}
Step-by-step explanation:
Answer:

Step-by-step explanation:
Assuming that you tried to write:

we can multiply the 4 on the outside of the parenthesis to all the terms. Multiplying, we get

Because you don't want any negative powers in the top, we can move it down to get:
