If a tourist walked all 3 trails in a day, how many kilometers would he or she have walked?

3-12. write each answer with a reasonable number of figures. find the absolute uncertainty and percent relative uncertainty for each answer. (a) [12.41 (±0.09) + 4.16 (±0.01)] x 7.068 2 (±0.000 4) =? (b) [3.26 (±0.10) x 8.47 (±0.05)] - 0.18 (±0.06) =? (c) 6.843 (±0.008) x 104 + [2.09 (±0.04)- 1.63 (±0.01)] =?

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

In an improper fraction, is the numerator equal to, less than, or greater than the denominator