Question

Will mark brainliest for correct answer

Answer 1

Answer:

3.33* 10 ^4

Step-by-step explanation:

3.9*10^4 - 5.7*10^3

3.9*10^4

Move the decimal 4 places to the right

39000

5.7 * 10 ^3

Move the decimal 3 places to the right

5700

39000-5700=33300

Now move the decimal 4 places to the left

3.33* 10 ^4

Subtract