Answer:
The value of k=1
So, Maura claim is incorrect. The value of k=1 and not k=1/2
Step-by-step explanation:
We need to determine the value of k if 
We are given:

Exponent rule, if bases are equal the exponents are equal
We can write 

Now since the base is same, i,e 2 so, the exponents will be same

So, the value of k=1
So, Maura claim is incorrect. The value of k=1 and not k=1/2
Answer:
4, obviously
Step-by-step explanation:
The number -5 is anything but natural number.
It is an integer (Z) ,a rational number (Q) and a real number (R) .
9 or 27 not quite sure gl
N³- n² + 3n - 3 = (n²+3 )(x-1 )