Answer:
correct statements in Q no. 17 are;
Answers for Q no. 18;
Step-by-step explanation:
I’m pretty sure the answer is 16, I’m very sorry if this is incorrect.
178 * 18 + (98-2)
3204 + 96
3300
we can use formula

we can compare
we get
a=x
b=2
now, we can plug that in formula
and we get

now, we can simplify it
...........Answer
1,300 because 8 is over 5 and it rounds the 100th place ,(which is 2), to become a 3 which makes the answer 1,300.