Amap has a scale of 1 cm : 15.5 km. two cities are 2.3 cm apart on the map. to the nearest tenth of a kilometer, what is the actual distance corresponding to the map distance?

38 km

51.2 km

113.2 km

35.7 km

Abag has more green balls than blue balls, and there is at least one blue ball. let bb represent the number of blue balls and let gg represent the number of green balls. let's compare the expressions 2b2b and b + gb+g. which statement is correct? choose 1

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

Me n o w. i need t h i s. 10 points