Double[][] vals = {{1.1, 1.3, 1.5},
{3.1, 3.3, 3.5},
{5.1, 5.3, 5.5},
{7.1, 7.3, 7.5}}

what is the value of vals[4][1] in the array above?

1. 7.1
2. there is no such value.
3. 7.3
4. 1.1

Option 3 i.e., 7.3 is the correct answer to the following question.

Explanation:

In the following two dimensional array that is the double data type 2-D array variable "val" and it contains some float type information in the form of matrix that has 4 rows and 3 columns, In the following statement, they asked the value of 4th row and 2nd column and in the matrix 4th row and 2nd column contain the value i.e., 7.3.

answer(igmp);