0.7 × 0.6 = a) 0.042 b) 0.42 c) 4.2 d) 42

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square

im alright what do you need

step-by-step explanation: