Please take a look at the picture

Write each expression in exponential form and find its value. 2 x 2 x 2 x 2

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21