2 does not have 99 terms!
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The sequence seems to be calculated by f(n) = 3n + 2.3(1) + 2 = 5, 3(2) + 2 = 8, 3(3) + 2 = 11, and so on.Therefore, the 99th term would be 3(99) + 2 = 299
Oh, dude, finding the 99th triangle number is like, totally easy. You just use the formula n(n+1)/2, where n is the number of the triangle you want. So, for the 99th triangle number, you plug in 99 for n, do some quick math, and boom, you've got it!
99th.
3^99 = 1.71792507 × 1047
Well, honey, it looks like we've got ourselves an arithmetic sequence here. Each term is increasing by 6, 8, 10, and 12 respectively. So, if we keep following that pattern, the 100th term would be 6 more than the 99th term, which is 12 more than the 98th term, and so on. Just keep adding 14 to each successive term and you'll eventually get to that 100th term.