Respuesta :

order of operations
Parenthases
Exponents
Multiplacation
Division
Additon
Subtraction

so go down the list start with parentheses and go down
9/10 x 8
Is basically....
9/10 x 8/1
Multiply across
9 x 8
-------- = 72/10
10 x 1

72/10 simplifies to 36/5 if you divide top and bottom by 2.
Turn this into a mixed number

Answer is 7 1/5