Answer:
Sayid is correct.
Step-by-step explanation:
Sayid is correct because when you subtract a nugative number from a number, it's the same thing as adding. So 6 - (-4) is the same as 6+4, which gives you 10.
First, 480 rounded to the nearest ten is:
480
second 480 rounded to the nearest ten is 481
30 cupcakes
10+20 equal 30
19.8
3x6.6
