The scientific notation 2 times 10^10-2 has what value

There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.