Question

se a=4 e x =1/2 quanto vale ax

Answer 1

a = 4
x = 1/2

ax = 4 * 1/2 = (4*1)/2 = 4/2 = 2

Answer 2

a= 4
b= 1/2

R= a . x
R= 4 . 0,5 ( 1/2 é igual a 0,5)
R= 2