Estimate each irrational to the nearest hundredth. 9, 486
10. 733
11. V126
12. Write the following numbers in order from smallest to largest.
-v4, V27, -2,5
70, ,
V12
I need help with these 9,10,11,and 12. I need help ASAP

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.