Which number is the largest 1.2 x 104, 4.5 x 10–3, 3.8 x 103, 7.5 x 103

1.2 x 104 = 124.8
4.5 x 10-3 = 42
3.8 x 108 = 410.4
7.5 x 103 = 772.5 

So 7.5 x 103 = 772.5 is the largest

Hey there!

You need to work out every problem.

1.2 x 104 = 124.8

4.5 x 10 - 3 = 42

3.8 x 103 = 391.4

7.5 x 103 = 772.5 <== Biggest one

So your answer is 7.5 x 103 is the largest one.

Hope I was able to help!