Question

kelly used 2.1 x 10^6 KB of data so far this month. her younger brother joseph used 7 x 10^5 KB of the data so far this month if their share family plan allows them to use 3,000,000 KB of the data each month, how much data usage o they have available for the remainder of this month?

Answer 1

They will 200,000 kb left

Explanation:

2.1 x 10^6=2,100,000 7 x 10^5=700,000