The answer is: [D]: " 2.6 " . _____________________________________________________ Given: a = - 2.6 ; What is the value of "-a "? _____________________________________________________ So, what is the value of " - (-2.6)" ? _____________________________________________________ The opposite of a negative is a positive; so, " - (-2.6) = 2.6 " ; which is: "Answer choice: [D] " . _____________________________________________________