Answer:
1299+13522+6424=21245
round off to the nearest thousand
2<u>1</u>,245
the nearest thousand is 1,000
the number beside it is 200
according to the rule to round off it has to be above 5 it is not
so drop off the 2 and add zero to the end
now your answer is 21,000
Step-by-step explanation:
hope this helps good luck!