Answer:
6.4 x 7.4 =47.36
Step-by-step explanation:
7.35 rounded will be 7.4
Answer:
the 3 represent a one thousand
so that means 4.oo9* 1000 = =49
Answer:H2+Br2-->2HBr
Step-by-step explanation:
The amount of atoms on the left side must be equal to the amount of atoms on the right side for each element.
On the left you got 2xH and 2xBr.
This means you must have the same amount on the right.
2HBr =2xH + 2xBr
Answer:5.25
Step-by-step explanation:
multiply it
