PLEASE ANSWER ALL, IF YOU CANNOT ANSWER ALL THEN PLEASE DO NOT COMMENT A ANSWER!!! (YOU GET 22 POINTS!!)

1. What is 193.492 rounded to the nearest hundredth?

2. Compare the decimals 9,135.40 and 9,135.4.
Which comparison is correct?
A.9,135.40 < 9,135.4
B. 9,135.40 > 9,135.4
C. 9,135.40 = 9,135.4

Which is the best estimate for the product of 3,826.301 × 175.6?
A. 8,000,000
B. 800,000
C. 80,000
D. 8,000

Which is the best estimate for the quotient of 198.32 ÷ 9.001?
A. 2,000
B. 200
C. 20
D. 2

TYSM IF YOU ANSWER!!