Answer:10
Step-by-step explanation:
A solution to a system of equations is a set of values for the variable that satisfy all the equations simultaneously. In order to solve a system of equations, one must find all the sets of values of the variables that constitutes solutions of the system.
400cm = 0.004km.
Perhaps there is something else your question meant, but it is way to unspecific.
Answer:
Measure in the nearest centimeter
Step-by-step explanation:
A pencil is about 18 cm long.