each of the following were suppose to be rounded to two sig figs. mark then correct or incorrect. if incorrect state the correct answer

Question

1) 1.249 103 to 1.3 103

i know its wrong but i don't know the correct answer

2)7.999 102 to 80

its wrong and i thought it was 800. but they said check the number of sig figs.

3)0.009934 to 0.010

its wrong and i have no idea what the answer is

if you could help that would be great. thanks:)

Answer 1

look at these, and STUDY them. They are almost identical to yours.
http://www.jiskha.com/display.cgi?id=1282595648

Answer 2

thanks!!