Answer: 9/14
Step-by-step explanation: 4+3+2/4+5+3+2 = 9/14
I am 200% sure that the answer is 20m
D. When you do the math, the results to everything should be t=9. D is the only outlier. Therefore, D is the answer in this case.
Answer: D. 7^11
Reason:
The rule we use is 
When multiplying exponentials of the same base, we add the exponents.
The exponents 5 and 6 add to 5+6 = 11
So,

The base stays the same the entire time.
1/10 of 3,000 is 300. Just divide by 10 to get the answer