If 1.2 kilograms of rust form on a bridge in five days, what should be the rate of reaction in grams per hour? (recall that a bar over the number means that zero is significant.)
100(first zero has bar over it) g/hr
0.05 g/hr
0.010 g/hr
10(zero has bar over it) g/hr

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.