The number of zeros in the product has 5 zeros and the zeros in the factor has 4 zeros because when you multiply 5,00x by8 you get 40,000
<span>A letter that holds the place for some unknown value in mathematics
VARIABLE
A process where you must look for terms that have identical variable parts and then combine their coefficients.
COMBINING LIKE TERMS</span>
We break all the bracket out :
-0.75 + 2/5 + 0.4 - 3/4
2/5 = 0.4
-3/4 = -0.75
So, we have : -0.75 + 0.4 + 0.4 - 0.75
= (-0.75 - 0.75) + (0.4 + 0.4) = -1.5 + 0.8 = -0.7