How many nonzero elements are in the matrix below?

we will find number of non-zero elements on each rows

and then we add them

First row:

we can see that non-zero elements are

2 , 3.1 , 22 , 9

so, number of non-zero elements in first row =4

Second row:

we can see that non-zero elements are

21 , 3.2 , 6

so, number of non-zero elements in first row =3

Third row:

we can see that non-zero elements are

1 , 42 , 8

so, number of non-zero elements in first row =3

Fourth row:

we can see that non-zero elements are

40 ,4 , 6,14

so, number of non-zero elements in first row =4

Fifth row:

we can see that non-zero elements are

10 , 20 , 13 , 5 , 6.3

so, number of non-zero elements in first row =5

now, we can add them

so,

total number of non-zero elements = 4 +3+3+4+5

so,

total number of non-zero elements is 19Answer

c

Step-by-step explanation:

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