Question

Me ajudem nesse calculo ?

Answer 1

4,5+3,5+4,0+7,0+6,0=25
25:5= 5
divide por cinco por que são 5 notas

Answer 2

$M.A=\dfrac{a_{1}+a_{2}+a_{3}+a_{4}+...+a_{n}}{n}$
_____________________

Faremos a média dos 5 alunos (n = 5):

$M.A=\dfrac{4,5+3,5+7,0+4,0+6,0}{5}\\\\\\M.A=\dfrac{25}{5}\\\\\\\boxed{\boxed{M.A=5}}$