Answer the following: a. 11^9 × 11^2 × 11^5 ÷ 11^7
b. The smallest natural number "n" which satisfies the inequality 2226^1113 < n^2226
(btw in b. is the answer 1113? pls answer fast . I will like your answer and thanks in advance )
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Could somebody me with this radical simplification?

High school seniors with strong academic records apply to the nation’s most selective colleges in greater numbers each year. because the number of slots remains relatively stable, some colleges reject more early applicants. suppose that for a recent admissions class, an ivy league college received 2851 applications for early admission. of this group, it admitted 1033 students early, rejected 854 outright, and deferred 964 to the regular admission pool for further consideration. in the past, this school has admitted 18% of the deferred early admission applicants during the regular admission process. counting the students admitted early and the students admitted during the regular admission process, the total class size was 2375. let e, r, and d represent the events that a student who applies for early admission is admitted early, rejected outright, or deferred to the regular admissions pool. suppose a student applies for early admission. what is the probability that the student will be admitted for early admission or be deferred and later admitted during the regular admission process?

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?