Answer:
11/13
Step-by-step explanation:
3/13, 5/13, 7/13, 9/13, <u>11/13</u>
3/13
3/13 + 2/13 = 5/13
5/13 + 2/13 = 7/13
7/13 + 2/13 = 9/13
9/13 + 2/13 = 11/13
In algebraic terms this is:

The integer is 2.
Correct the answer is -55
3x1000+2x100+4x10+6x1+7x(1/10)+8x(1/100)