4,080,499 rounded to the nearest thousand is 4,080,000.
Answer:

Step-by-step explanation:
Roses are Red
Violets are blue
God made me bootiful
What the hell happed to you. 0,0
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This one sucks but :>
Answer:
3/8 + 1/4 is 5/8 and 1/10+4/5 is 1
Step-by-step explanation:
convert 1/4 to 2/8 and add to 3/8 to get 5/8
convert 4/5 to 9/10 and add to 1/10 equals 10/10 which is also 1