1. Pia printed two maps of a walking trail. The length of the trail on the first map is 9 cm. The length of the trail on the second map is 6 cm. The scale factor on the first map is such that 1 cm represents 2 km on the actual trail. What is the length of the actual trail?

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)] =?

Two rectangular prisms have the same volume. the area of the base of the blue prism is 418 4 1 8 square units. the area of the base of the red prism is one-half that of the blue prism. which statement is true?

What is the mean of the data set 125, 141, 213, 155, 281