PLEASE HELP Given the sequence in the table below, determine the sigma notation of the sum for term 4 through term 15. n an 1 5 2 −10 3 20 the summation of 5 times negative 2 to the n minus 1 power, from n equals 4 to 15 the summation of 5 times negative 2 n, from n equals 1 to 15 the summation of 5 times negative 2 to the n plus 1 power, from n equals 4 to 15 the summation of 5 times negative 2 times n to the n plus 1 power, from n equals 1 to 15