Question

Which number is the largest?
1.2 × 10^4
4.5 × 10^−3
3.8 × 10^3
7.5 × 10^3

Answer 1

1.2 x 10^4 = 12,000

4.5 x 10^-3 = 4.5 x 1/(10^3) = 4.5/1000 = 0.0045

3.8 x 10^3 = 3,000

7.5 x 10^3 = 7,000

largest is 1.2 x 10^4

Hope this helps!!

Explanation: