multiply the amount of one piece with the number of pieces
1.85×8=14.8
I believe so, but It is kind of blurry for some reason on my screen but from what I can make out yes.
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Answer:

Step-by-step explanation:
Using the law if indices
×
= 
Thus to simplify the expression add the 3 exponents
a(b + c) + b(c - a) + c(a - b) ← distribute parenthesis
= ab + ac + bc - ab + ac - bc ← collect like terms
= 2ac
Then the expression simplifies to
