When rounding a number what do u do with the digits to the right of the place you are rounding?

Nikolas calculated the volume of the prism. his work is shown below.

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

Does the construction demonstrate how to copy an angle correctly using technology a) yes the distance between points a and f was used to create circle h b) yes the distance between points f and g was used to create circle h c) no the distance between points a and f was used to create circle h d) no the distance between points f and g was used to create circle h