how to write exponential power?

I want to write y=2.^x exponential function

but my matlab program doesn't work

because the function doesn't cogniz ToT

and I want to draw by using the plot sencense

y=2.^x
xinv=[0 10]
plot(x,y)

How do I that...?? plz say the answer

Answer 1

[KSSV]

x = linspace(0,10) ; 
y=2.^x ; 
plot(x,y)