Answer:
heyyyyyyyy i didddddddddddddddddd
Step-by-step explanation:
I suspect that you might mean 'crimes' and 'police'. If that's the case,
then what we have here is a sentence that has not been proofread
for errors, and doesn't ask any question. I'm not going to worry about it.
Answer: (9 x 10^10) - (4 x 10^10) <em>in scientific notation is</em> 5x x 10^10
