(3.2)2 - (1.8)2 equals
A
7.0
B
2.56
C
13.48
D
2.0
E
0.07
Verified Correct Answer: A.
Step-by-Step Mathematical Solution
(3.2)2 - (1.8)2 = (3.2 + 1.8)(3.2 - 1.8)
= 5 x 1.4
= 7
Source: Myschool Past Questions Archive (Record #32647)