4 n 5 2n 10 July 8, 2019 16 32 64 128 100 n 5 2n 1 * 4 n 2 100 n 5 2n 3 * 4 n 2 10n 4 (- n 5 ) - 2n 2 8 4(5n – 2(n – 1)) + 10