Question

Estimate the value of the following to the nearest to one decimal place.
(i) 190
(ii) 7150
(iii) 1600
(iv)
1000​

Answer 1

To round to nearest one, ten, hundred, thousand and so on:

● If the rounding digit is 0, 1, 2, 3, or 4, change all digits to the right of it to zeroes.

● If the rounding digit is 5, 6, 7, 8, or 9, add one to the rounding digit and change all digits to the right of it to zeroes.

All the numbers that you have provided will remain the same when estimated to the nearest one decimal place.