Evaluate the expression 14-2-12163.
Given expression: 14-2-12163.
We know that
an=a1n&amn=am×n
Now,
14-2-12163
Since, -1216=-16×-16×-16=-163
=14-2-1633=14-2-163×13=14-2-16=14+26=3+412=712
Hence, 14-2-12163=712.
Evaluate the expression when x=-45andy=13
2x+6y
Determine whether the following numbers are in proportion or not:
13,14,16,17