Written sentence has a formal style and tone.
Revision literally means to “see again” or to basically see something again from a fresh and critical perspective. One of the best things to do during the revision stage is to have someone else proof read the material for you.
Answer:
189.27 rounded to the nearest whole is 189.
15.8 rounded to the nearest whole is 16
11.2 rounded to the nearest whole is 11
189+16+11= 216