Answer:
507.3
Step-by-step explanation:
(7.3x10)+(5x10)
evaluate the power
remove the parentheses
(7.3x1)+5x10 to the second power
multiply 7.3+5x100
7.3+500
calculate
there you go.
Answer:
preety sure its answer 3
Step-by-step explanation:
0.6 pounds because you would divide 3 by 5 and get 0.6
Answer:

Step-by-step explanation:
Given


Required

First, calculate 
We have:

This gives:

Substitute 


Substitute 



Split

This gives

Answer:
120 miles/6 hours = 20 mph. You need to do the same for the boat going with the current. 120 miles/ 5 hours = 24 mph.
Step-by-step explanation: