Write each expression in the form of a^b without using any radicals

What are the values of each variable in the diagram below?

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.

£100.80 divided by 14 equals 7.2 how would we put this as money