3-um terreno quadrado tem 900 m² de área.

a)quantos metros mede o seu perímetro?

b)qual será a área, em m²,de um terreno com o triplo da medida do lado desse quadrado?

5-o volume de um cubo é 1000dm³.qual é o comprimento da aresta?

7-responda:
400 é o quadrado de quais números?

1. if we have 3 babies what is the probability they’re going to be all boys? 2. if we roll 2 die at the same time what is the probability of getting less than 10 on the first roll and a 5 on the second roll 3. if we have 3 babies what is the probability their is going to be 2 girls? 4. if we have 3 babies what is the probability of having no more than 1 girl? 5. it we have 3 babies and then have another 3 babies what is the probability of us having at least 1 boy and then having all girls?