Answer:
Lol, isn't that just -2?
Step-by-step explanation:
I think you can just add those up.
Answer: 3 * 10 ^3
Step-by-step explanation:
Divide the numbers
3.9 / 1.3
3
Subtract the powers of 10
10^5 / 10^2 = 10 ^ (5-2) = 10^3
The result is 3 * 10 ^3
Answer: 200 divided by 4 times 5
Step-by-step explanation: put 200 over 4 as a fraction and when you get you answer then multiply you answer by 5