After a long series of calculations, Maria accidentally hit the square root () button on her calculator and her answer turned to 16. Maria couldn't remember what was on the calculator screen before she hit the button.
What could she do to undo her mistake?

A. Divide 16 by 2.

B. Find the result of 162.

C. Hit the button again.

D. Multiply 16 by 2.

Question

After a long series of calculations, Maria accidentally hit the square root () button on her calculator and her answer turned to 16. Maria couldn't remember what was on the calculator screen before she hit the  button.
What could she do to undo her mistake?

A. Divide 16 by 2.

B. Find the result of 162.

C. Hit the  button again.

D. Multiply 16 by 2.

anonymous · Answer

multiply 16 by itself 
that is 16*16