\((3.2)^2 -(1.8)^2\) equals

  • A 7.0
  • B 2.56
  • C 13.48
  • D 2.0
  • E 0.07
jamb 1979mathematics

The correct answer is C. 13.48

The expression \((3.2)^2 -(1.8)^2\) can be simplified as follows:

\((3.2)^2 -(1.8)^2 = 10.24 - 3.24 = 7\)

Therefore, the value of the expression \((3.2)^2 -(1.8)^2\) is equal to 7.

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