Which is the largest number? O A. 2.2 x 108 O B. 2.9 O C. 2.5 x 10-5 D. 2.8 x 106

2.2 x 10⁸

Explanation:

We are to find the largest number from the given set of numbers:

      2.2 x 10⁸

      2.9

      2.5 x 10⁻⁵

      2.8 x 10⁶

The largest number is the first one;  2.2 x 10⁸ ;

  2.2 x 100 000 000

the other numbers are far lesser than this number;