Question

What is (3x9-6+3\10)

Answer 1

The order of operations says:
P arentheses 
E xponents
M ultiplication
D ivision
A ddition
S ubtraction

So first we will do 3 x 9 = 27.   (27 - 6 + 3 / 10) 
Next do 3/10 = .3.     (27 - 6 + .3)
Then solve 27-6 = 21. (21 + .3)
Lastly do the last part! The answer is 21.3, hope this helps!