She would have to get 78.75 dollars every week to get the camera.
what do mean what are you looking for
Answer:
The answer is C
Step-by-step explanation:
i also use khan
The rule of scientifinc notation is that we can use number between 0 and 10, so here we can use 2.8. Lets do this
280 000 000 = 2.8 * 100 * 1 000 000
Now we can just multiply 2.8 by 10 to the power of number of 0 reapeted
So

- its the result