Answer:
Step-by-step explanation:
Given


The given system is
can be represented by

The given system is consistent when determinant of A is not equal to zero



i.e. system is consistent for all value of k except 

Answer:
50
Step-by-step explanation:
0.000000000093 in scientific notation is 9.3 x 10 ^ -11
19g/1000 would be the right answer when simplified.