If you flip the coins 1000 times, what fraction do you expect would come up as:
2 heads?
2 tails?
1 head and 1 tail?
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Bruce is getting materials for a chemistry experiment his teacher gives him a container that has 0.25 liter of liquid in it. bruce need to use 0.4 of this liquid for the experiment. how much liquid will bruce use?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

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