Hey I can help. Do u still need it?
Answer:
I think 2. is A i dont know the other two
Step-by-step explanation:
Answer: The tenth term in the sequence is 512.
Step-by-step explanation:
Since we have given that

We need to find the tenth term:
It means n = 10
So, it becomes

Hence, the tenth term in the sequence is 512.
Answer:
I dont really know but all i can say is that it is more then 200
3 significant figures
0 is only significant if it is enclosed by significant figure.
here 0 is enclosed by significant figures 1 and 5 and is therefore significant.
105 has 3 significant figures