Given the two points (x1, y1) and (x2, y2), the distance between these points is given by the formula:

d = square root of (x2 - x1)^2 + (y2 - y1)^2

d = √((x2 - x1)^2 + (y2 - y1)^2)

in our case we have:

x1 = 1, y1 = 6

x2 = 2, y2 = 3

we plug the coordinates into the distance formula:

d = √((2 - 1)^2 + (3 - 6)^2)

d = 3.2

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the distance between points (1, 6) and (2,3) is 3.2 to the nearest tenth.