Question

1)efetue as multiplicações:
A)2.1,7=
B)0,5.4=
C)0,7.7=
D)0,25.3=
E)6.3,21=

Answer 1

20×17=340 340=3,4

5×4=20 20=2,0

7×7=49 49=4,9

25×30=750 750=0,75

60×321= 19290 19290=19,29