Matlab please help me asap

Forming scalars: Which one is correct for assigning parameter a as 2.5 ? > > 2.5 - a > > A = 2.5 > > a = 2.5 > > none of the above Forming scalars: Which one is correct? > > Terms 1 & 2 = 65 > > Terms 2 - 5 = 6 > > 2 Term = 7 > > none of the above Usage of square brackets: Which one is correct to form the vector of [1 10 100 1000]: [1 10 100 1000] [1 10 100 1000] [1 10 100 1000] Both a and b