Question

What is the product of (–6.8)2?
A. -13.6
B. 46.24
C. –46.24
D. 13.6

Answer 1

Note that -6.8 = -1*6.8. Therefore (-6.8)2 = (-1)*6.8*2. The product of 6.8*2 is 13.6. Hence (-6.8)2 = (-1)*13.6 = -13.6.