Respuesta :
a) learn to use your calculator
b) recognize that the even number of minus signs will mean the product is positive, and that 4*3 = 12, so this becomes 12² = 144 (math facts you have memorized).
The appropriate choice is ...
C) 144
b) recognize that the even number of minus signs will mean the product is positive, and that 4*3 = 12, so this becomes 12² = 144 (math facts you have memorized).
The appropriate choice is ...
C) 144