Answer:
28.7
Step-by-step explanation:
If I'm supposed to round the numbers then,
19.170 will be 19.2
9.46 will be 9.5
Now just add them and it will be 28.7
Answer:28.7
Step-by-step explanation: First you can either round the 19.17 and the 9.46 and then add or add then round.
I did 19.17+9.46=28.63
Rounding 28.63 will equal to 28.7
