select 3 numbers that round to 170 when rounded to the nearest ten.

180
181
182
161
172
163
156
166
175
178
157
173

1 answer

When rounding to the nearest ten, numbers that round to 170 include those from 165 to 174. Here are three numbers from your list that meet this criterion:

  1. 166
  2. 171
  3. 172

All three of these numbers round to 170 when rounded to the nearest ten.