The given numbers are 2.1 x 10⁻⁴

9.2 x 10⁻⁴

3.4 x 10⁻⁵

2.1 x 10⁻³

2.8 x 10⁻⁷

8.3 x 10⁻⁵

7.2 x 10⁻⁵

Explanation is in the file cutt.ly/tz3yDpb

Step-by-step explanation:

21 x 10 = 21

92 x 10 = 92

34 x 10 = 94

21 x 10 21

28 x 1 0 28

83 x 10 83

72 x 10 72

Hope this helped

Step-by-step explanation:

step-by-step explanation:

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,