Since 𝐹 ( 𝑎 , 𝑏 , 𝑐 ) = Σ ( 2 , 4 , 6, 7 ), F is true (1) for the minterms 2, 4, 6, and 7.
When a=0, b=1, and c=0, minterm 2 corresponds, and F evaluates to 1.