Question 838657
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Hi,
3. What is the next number in the sequence: 3, 8, 18, 38, {{{highlight(78)}}},...
Note: 8 = 3 + 5(2^0), 18 = 8 + 5(2^1), 38 = 18 + 5(2^2)... 
 4. What is the next number in the sequence: 5, 9, 17,33,{{{highlight(65)}}},...
Note: 9 = 5 + 2^2, 17 = 9 + 2^3, 33 = 17 + 2^4

5. What is the next number in the sequence: 9, 3, 1, 1/3,{{{highlight(1/9)}}},... 
{{{a[n] = a[1]*r^(n-1)}}} Note: {{{a[n] = a[1]*(1/3)^(n-1)}}}
6. What is the next number in the sequence: 24, 12, 6, 3,{{{highlight(3/2)}}},... 
{{{a[n] = a[1]*r^(n-1)}}} Note: {{{a[n] = a[1]*(1/2)^(n-1)}}}