Question

Sa ma ajute cineva va roggg!!!

Answer 1

Răspuns:

1.

2,143•10=21,43

2,143•100=214,3

2,143•1000= 2143

678,9•0,1=67,89

678,9•0,01=6,789

678,9•0,001=0,6789

2.

a. 0,9•10=9

0,9•100=90

0,9•1000=900

b. 12,45•10=124,5

12,45•100=1245

12,45•1000=12450