Question

Which number is the largest 1.2 x 10^4, 4.5 x 10^-3,3.8x10^3,7.5^3

Answer 1

1.2x10^4

Explanation:

2.

negative exponent means it's a fraction so

4.5x10^-3 is 1/4500 or 0.0045 so

it's a very small number

1.

^4 means means move the decimal 4 spots

12×10^4 = 12,000

3.

^3 means move the decimal 3 spots

3.8 x 10^3 =

3800

4.

7.5x10^3 =

7500