80 cm^2 i think this your answer
Kate's model is correct because 10 times the value of 4 rods, 10(4(10)), is 400. Mel's model represents 4(1)=4, which is incorrect. Kate's model represents 4*100=400, which is correct.
Hope I answered your question!
13, 21, 34 are the next three numbers
Possibly $40.98 hope this helps
Es 42kg porque cuando lo suma te da eso pruebalo
perdon si no esta bien ice lomasque pude
